diff --git a/compactor2/src/components/files_split/target_level_non_overlap_split.rs b/compactor2/src/components/files_split/target_level_non_overlap_split.rs
index 3324107315..2d8bdccfd1 100644
--- a/compactor2/src/components/files_split/target_level_non_overlap_split.rs
+++ b/compactor2/src/components/files_split/target_level_non_overlap_split.rs
@@ -131,6 +131,7 @@ mod tests {
     use crate::test_util::{
         create_l1_files, create_overlapped_files, create_overlapped_files_2,
         create_overlapped_l0_l1_files, create_overlapped_l1_l2_files, format_files,
+        format_files_split,
     };
 
     use super::*;
@@ -191,7 +192,7 @@ mod tests {
             @r###"
         ---
         - initial
-        - "L1                                                                                                  "
+        - "L1, all files 1b                                                                                    "
         - "L1.13[600,700]                                                                    |-----L1.13-----| "
         - "L1.12[400,500]                                |-----L1.12-----|                                     "
         - "L1.11[250,350]      |-----L1.11-----|                                                               "
@@ -219,11 +220,11 @@ mod tests {
             @r###"
         ---
         - initial
-        - "L0                                                                                                  "
+        - "L0, all files 1b                                                                                    "
         - "L0.2[650,750]                                                        |---L0.2---|                   "
         - "L0.1[450,620]                               |-------L0.1-------|                                    "
         - "L0.3[800,900]                                                                          |---L0.3---| "
-        - "L1                                                                                                  "
+        - "L1, all files 1b                                                                                    "
         - "L1.13[600,700]                                                 |--L1.13---|                         "
         - "L1.12[400,500]                        |--L1.12---|                                                  "
         - "L1.11[250,350]      |--L1.11---|                                                                    "
@@ -233,26 +234,19 @@ mod tests {
         let split = TargetLevelNonOverlapSplit::new();
         let (overlap, non_overlap) = split.apply(files, CompactionLevel::FileNonOverlapped);
         insta::assert_yaml_snapshot!(
-            format_files("overlap", &overlap),
+            format_files_split("overlap", &overlap, "non_overlap", &non_overlap),
             @r###"
         ---
         - overlap
-        - "L0                                                                                                  "
+        - "L0, all files 1b                                                                                    "
         - "L0.2[650,750]                                               |-----L0.2-----|                        "
         - "L0.1[450,620]               |----------L0.1-----------|                                             "
         - "L0.3[800,900]                                                                       |-----L0.3-----|"
-        - "L1                                                                                                  "
+        - "L1, all files 1b                                                                                    "
         - "L1.12[400,500]      |----L1.12-----|                                                                "
         - "L1.13[600,700]                                      |----L1.13-----|                                "
-        "###
-        );
-        // verify non-overlapping files
-        insta::assert_yaml_snapshot!(
-            format_files("non_overlap", &non_overlap),
-            @r###"
-        ---
         - non_overlap
-        - "L1                                                                                                  "
+        - "L1, all files 1b                                                                                    "
         - "L1.11[250,350]      |------------------------------------L1.11-------------------------------------|"
         "###
         );
@@ -270,11 +264,11 @@ mod tests {
             @r###"
         ---
         - initial
-        - "L1                                                                                                  "
+        - "L1, all files 1b                                                                                    "
         - "L1.13[600,700]                                                                          |--L1.13--| "
         - "L1.12[400,500]                                                   |--L1.12--|                        "
         - "L1.11[250,350]                                  |--L1.11--|                                         "
-        - "L2                                                                                                  "
+        - "L2, all files 1b                                                                                    "
         - "L2.21[0,100]        |--L2.21--|                                                                     "
         - "L2.22[200,300]                            |--L2.22--|                                               "
         "###
@@ -283,24 +277,18 @@ mod tests {
         let split = TargetLevelNonOverlapSplit::new();
         let (overlap, non_overlap) = split.apply(files, CompactionLevel::Final);
         insta::assert_yaml_snapshot!(
-            format_files("overlap", &overlap),
+            format_files_split("overlap", &overlap, "non_overlap", &non_overlap),
             @r###"
         ---
         - overlap
-        - "L1                                                                                                  "
+        - "L1, all files 1b                                                                                    "
         - "L1.13[600,700]                                                                      |----L1.13-----|"
         - "L1.12[400,500]                                      |----L1.12-----|                                "
         - "L1.11[250,350]              |----L1.11-----|                                                        "
-        - "L2                                                                                                  "
+        - "L2, all files 1b                                                                                    "
         - "L2.22[200,300]      |----L2.22-----|                                                                "
-        "###
-        );
-        insta::assert_yaml_snapshot!(
-            format_files("non_overlap", &non_overlap),
-            @r###"
-        ---
         - non_overlap
-        - "L2                                                                                                  "
+        - "L2, all files 1b                                                                                    "
         - "L2.21[0,100]        |------------------------------------L2.21-------------------------------------|"
         "###
         );
@@ -320,10 +308,10 @@ mod tests {
             @r###"
         ---
         - initial
-        - "L0                                                                                                  "
+        - "L0, all files 1b                                                                                    "
         - "L0.2[520,550]                                                                  |L0.2|               "
         - "L0.1[250,350]                                   |--L0.1---|                                         "
-        - "L1                                                                                                  "
+        - "L1, all files 1b                                                                                    "
         - "L1.13[400,500]                                                   |--L1.13--|                        "
         - "L1.12[200,300]                            |--L1.12--|                                               "
         - "L1.11[0,100]        |--L1.11--|                                                                     "
@@ -334,24 +322,18 @@ mod tests {
         let split = TargetLevelNonOverlapSplit::new();
         let (overlap, non_overlap) = split.apply(files, CompactionLevel::FileNonOverlapped);
         insta::assert_yaml_snapshot!(
-            format_files("overlap", &overlap),
+            format_files_split("overlap", &overlap, "non_overlap", &non_overlap),
             @r###"
         ---
         - overlap
-        - "L0                                                                                                  "
+        - "L0, all files 1b                                                                                    "
         - "L0.2[520,550]                                                                                |L0.2| "
         - "L0.1[250,350]                  |--------L0.1--------|                                               "
-        - "L1                                                                                                  "
+        - "L1, all files 1b                                                                                    "
         - "L1.12[200,300]      |-------L1.12--------|                                                          "
         - "L1.13[400,500]                                                   |-------L1.13--------|             "
-        "###
-        );
-        insta::assert_yaml_snapshot!(
-            format_files("non_overlap", &non_overlap),
-            @r###"
-        ---
         - non_overlap
-        - "L1                                                                                                  "
+        - "L1, all files 1b                                                                                    "
         - "L1.11[0,100]        |--L1.11--|                                                                     "
         - "L1.14[600,700]                                                                          |--L1.14--| "
         "###
diff --git a/compactor2/src/components/files_split/target_level_target_level_split.rs b/compactor2/src/components/files_split/target_level_target_level_split.rs
index f62c6cbdb0..15b609d2c6 100644
--- a/compactor2/src/components/files_split/target_level_target_level_split.rs
+++ b/compactor2/src/components/files_split/target_level_target_level_split.rs
@@ -68,7 +68,7 @@ mod tests {
             @r###"
         ---
         - initial
-        - "L0                                                                                                  "
+        - "L0, all files 1b                                                                                    "
         - "L0.2[650,750]                                          |-----L0.2------|                            "
         - "L0.1[450,620]       |------------L0.1------------|                                                  "
         - "L0.3[800,900]                                                                     |-----L0.3------| "
@@ -97,7 +97,7 @@ mod tests {
             @r###"
         ---
         - initial
-        - "L1                                                                                                  "
+        - "L1, all files 1b                                                                                    "
         - "L1.13[600,700]                                                                    |-----L1.13-----| "
         - "L1.12[400,500]                                |-----L1.12-----|                                     "
         - "L1.11[250,350]      |-----L1.11-----|                                                               "
@@ -126,7 +126,7 @@ mod tests {
             @r###"
         ---
         - initial
-        - "L2                                                                                                  "
+        - "L2, all files 1b                                                                                    "
         - "L2.21[0,100]        |---------L2.21----------|                                                      "
         - "L2.22[200,300]                                                           |---------L2.22----------| "
         "###
@@ -156,16 +156,16 @@ mod tests {
         ---
         - initial
         - "L0                                                                                                  "
-        - "L0.2[650,750]@1                                                              |-L0.2-|               "
-        - "L0.1[450,620]@1                                             |----L0.1-----|                         "
-        - "L0.3[800,900]@100                                                                          |-L0.3-| "
+        - "L0.2[650,750] 1b                                                             |-L0.2-|               "
+        - "L0.1[450,620] 1b                                            |----L0.1-----|                         "
+        - "L0.3[800,900] 100b                                                                         |-L0.3-| "
         - "L1                                                                                                  "
-        - "L1.13[600,700]@100                                                       |L1.13-|                   "
-        - "L1.12[400,500]@1                                       |L1.12-|                                     "
-        - "L1.11[250,350]@1                          |L1.11-|                                                  "
+        - "L1.13[600,700] 100b                                                      |L1.13-|                   "
+        - "L1.12[400,500] 1b                                      |L1.12-|                                     "
+        - "L1.11[250,350] 1b                         |L1.11-|                                                  "
         - "L2                                                                                                  "
-        - "L2.21[0,100]@1      |L2.21-|                                                                        "
-        - "L2.22[200,300]@1                     |L2.22-|                                                       "
+        - "L2.21[0,100] 1b     |L2.21-|                                                                        "
+        - "L2.22[200,300] 1b                    |L2.22-|                                                       "
         "###
         );
 
@@ -178,17 +178,17 @@ mod tests {
         ---
         - lower
         - "L0                                                                                                  "
-        - "L0.2[650,750]@1                                        |-----L0.2------|                            "
-        - "L0.1[450,620]@1     |------------L0.1------------|                                                  "
-        - "L0.3[800,900]@100                                                                 |-----L0.3------| "
+        - "L0.2[650,750] 1b                                       |-----L0.2------|                            "
+        - "L0.1[450,620] 1b    |------------L0.1------------|                                                  "
+        - "L0.3[800,900] 100b                                                                |-----L0.3------| "
         - higher
         - "L1                                                                                                  "
-        - "L1.13[600,700]@100                                                                      |--L1.13--| "
-        - "L1.12[400,500]@1                                                 |--L1.12--|                        "
-        - "L1.11[250,350]@1                                |--L1.11--|                                         "
+        - "L1.13[600,700] 100b                                                                     |--L1.13--| "
+        - "L1.12[400,500] 1b                                                |--L1.12--|                        "
+        - "L1.11[250,350] 1b                               |--L1.11--|                                         "
         - "L2                                                                                                  "
-        - "L2.21[0,100]@1      |--L2.21--|                                                                     "
-        - "L2.22[200,300]@1                          |--L2.22--|                                               "
+        - "L2.21[0,100] 1b     |--L2.21--|                                                                     "
+        - "L2.22[200,300] 1b                         |--L2.22--|                                               "
         "###
         );
 
@@ -215,16 +215,16 @@ mod tests {
         ---
         - initial
         - "L0                                                                                                  "
-        - "L0.2[650,750]@1                                                              |-L0.2-|               "
-        - "L0.1[450,620]@1                                             |----L0.1-----|                         "
-        - "L0.3[800,900]@100                                                                          |-L0.3-| "
+        - "L0.2[650,750] 1b                                                             |-L0.2-|               "
+        - "L0.1[450,620] 1b                                            |----L0.1-----|                         "
+        - "L0.3[800,900] 100b                                                                         |-L0.3-| "
         - "L1                                                                                                  "
-        - "L1.13[600,700]@100                                                       |L1.13-|                   "
-        - "L1.12[400,500]@1                                       |L1.12-|                                     "
-        - "L1.11[250,350]@1                          |L1.11-|                                                  "
+        - "L1.13[600,700] 100b                                                      |L1.13-|                   "
+        - "L1.12[400,500] 1b                                      |L1.12-|                                     "
+        - "L1.11[250,350] 1b                         |L1.11-|                                                  "
         - "L2                                                                                                  "
-        - "L2.21[0,100]@1      |L2.21-|                                                                        "
-        - "L2.22[200,300]@1                     |L2.22-|                                                       "
+        - "L2.21[0,100] 1b     |L2.21-|                                                                        "
+        - "L2.22[200,300] 1b                    |L2.22-|                                                       "
         "###
         );
 
@@ -237,15 +237,15 @@ mod tests {
         ---
         - lower
         - "L0                                                                                                  "
-        - "L0.2[650,750]@1                                                      |---L0.2---|                   "
-        - "L0.1[450,620]@1                             |-------L0.1-------|                                    "
-        - "L0.3[800,900]@100                                                                      |---L0.3---| "
+        - "L0.2[650,750] 1b                                                     |---L0.2---|                   "
+        - "L0.1[450,620] 1b                            |-------L0.1-------|                                    "
+        - "L0.3[800,900] 100b                                                                     |---L0.3---| "
         - "L1                                                                                                  "
-        - "L1.13[600,700]@100                                             |--L1.13---|                         "
-        - "L1.12[400,500]@1                      |--L1.12---|                                                  "
-        - "L1.11[250,350]@1    |--L1.11---|                                                                    "
+        - "L1.13[600,700] 100b                                            |--L1.13---|                         "
+        - "L1.12[400,500] 1b                     |--L1.12---|                                                  "
+        - "L1.11[250,350] 1b   |--L1.11---|                                                                    "
         - higher
-        - "L2                                                                                                  "
+        - "L2, all files 1b                                                                                    "
         - "L2.21[0,100]        |---------L2.21----------|                                                      "
         - "L2.22[200,300]                                                           |---------L2.22----------| "
         "###
@@ -274,16 +274,16 @@ mod tests {
         ---
         - initial
         - "L0                                                                                                  "
-        - "L0.2[650,750]@1                                                              |-L0.2-|               "
-        - "L0.1[450,620]@1                                             |----L0.1-----|                         "
-        - "L0.3[800,900]@100                                                                          |-L0.3-| "
+        - "L0.2[650,750] 1b                                                             |-L0.2-|               "
+        - "L0.1[450,620] 1b                                            |----L0.1-----|                         "
+        - "L0.3[800,900] 100b                                                                         |-L0.3-| "
         - "L1                                                                                                  "
-        - "L1.13[600,700]@100                                                       |L1.13-|                   "
-        - "L1.12[400,500]@1                                       |L1.12-|                                     "
-        - "L1.11[250,350]@1                          |L1.11-|                                                  "
+        - "L1.13[600,700] 100b                                                      |L1.13-|                   "
+        - "L1.12[400,500] 1b                                      |L1.12-|                                     "
+        - "L1.11[250,350] 1b                         |L1.11-|                                                  "
         - "L2                                                                                                  "
-        - "L2.21[0,100]@1      |L2.21-|                                                                        "
-        - "L2.22[200,300]@1                     |L2.22-|                                                       "
+        - "L2.21[0,100] 1b     |L2.21-|                                                                        "
+        - "L2.22[200,300] 1b                    |L2.22-|                                                       "
         "###
         );
 
diff --git a/compactor2/src/components/files_split/target_level_upgrade_split.rs b/compactor2/src/components/files_split/target_level_upgrade_split.rs
index 99cf036487..374672740f 100644
--- a/compactor2/src/components/files_split/target_level_upgrade_split.rs
+++ b/compactor2/src/components/files_split/target_level_upgrade_split.rs
@@ -209,7 +209,7 @@ mod tests {
             @r###"
         ---
         - initial
-        - "L0                                                                                                  "
+        - "L0, all files 99b                                                                                   "
         - "L0.2[150,180]            |L0.2|                                                                     "
         - "L0.1[100,200]       |--L0.1--|                                                                      "
         - "L0.3[800,900]                                                                             |--L0.3--|"
@@ -226,7 +226,7 @@ mod tests {
             @r###"
         ---
         - files_to_compact
-        - "L0                                                                                                  "
+        - "L0, all files 99b                                                                                   "
         - "L0.3[800,900]                                                                             |--L0.3--|"
         - "L0.1[100,200]       |--L0.1--|                                                                      "
         - "L0.2[150,180]            |L0.2|                                                                     "
@@ -243,7 +243,7 @@ mod tests {
             @r###"
         ---
         - initial
-        - "L0                                                                                                  "
+        - "L0, all files 101b                                                                                  "
         - "L0.2[150,180]            |L0.2|                                                                     "
         - "L0.1[100,200]       |--L0.1--|                                                                      "
         - "L0.3[800,900]                                                                             |--L0.3--|"
@@ -262,11 +262,11 @@ mod tests {
             @r###"
         ---
         - files_to_compact
-        - "L0                                                                                                  "
+        - "L0, all files 101b                                                                                  "
         - "L0.1[100,200]       |-------------------------------------L0.1-------------------------------------|"
         - "L0.2[150,180]                                               |---------L0.2---------|                "
         - files_to_upgrade
-        - "L0                                                                                                  "
+        - "L0, all files 101b                                                                                  "
         - "L0.3[800,900]       |-------------------------------------L0.3-------------------------------------|"
         "###
         );
@@ -280,7 +280,7 @@ mod tests {
             @r###"
         ---
         - initial
-        - "L0                                                                                                  "
+        - "L0, all files 99b                                                                                   "
         - "L0.2[650,750]                                          |-----L0.2------|                            "
         - "L0.1[450,620]       |------------L0.1------------|                                                  "
         - "L0.3[800,900]                                                                     |-----L0.3------| "
@@ -296,7 +296,7 @@ mod tests {
             @r###"
         ---
         - files_to_compact
-        - "L0                                                                                                  "
+        - "L0, all files 99b                                                                                   "
         - "L0.3[800,900]                                                                     |-----L0.3------| "
         - "L0.1[450,620]       |------------L0.1------------|                                                  "
         - "L0.2[650,750]                                          |-----L0.2------|                            "
@@ -313,7 +313,7 @@ mod tests {
             @r###"
         ---
         - initial
-        - "L0                                                                                                  "
+        - "L0, all files 101b                                                                                  "
         - "L0.2[650,750]                                          |-----L0.2------|                            "
         - "L0.1[450,620]       |------------L0.1------------|                                                  "
         - "L0.3[800,900]                                                                     |-----L0.3------| "
@@ -330,7 +330,7 @@ mod tests {
         ---
         - files_to_compact
         - files_to_upgrade
-        - "L0                                                                                                  "
+        - "L0, all files 101b                                                                                  "
         - "L0.2[650,750]                                          |-----L0.2------|                            "
         - "L0.1[450,620]       |------------L0.1------------|                                                  "
         - "L0.3[800,900]                                                                     |-----L0.3------| "
@@ -346,7 +346,7 @@ mod tests {
             @r###"
         ---
         - initial
-        - "L1                                                                                                  "
+        - "L1, all files 99b                                                                                   "
         - "L1.13[600,700]                                                                    |-----L1.13-----| "
         - "L1.12[400,500]                                |-----L1.12-----|                                     "
         - "L1.11[250,350]      |-----L1.11-----|                                                               "
@@ -362,7 +362,7 @@ mod tests {
             @r###"
         ---
         - files_to_compact
-        - "L1                                                                                                  "
+        - "L1, all files 99b                                                                                   "
         - "L1.13[600,700]                                                                    |-----L1.13-----| "
         - "L1.12[400,500]                                |-----L1.12-----|                                     "
         - "L1.11[250,350]      |-----L1.11-----|                                                               "
@@ -384,7 +384,7 @@ mod tests {
         ---
         - files_to_compact
         - files_to_upgrade
-        - "L1                                                                                                  "
+        - "L1, all files 101b                                                                                  "
         - "L1.13[600,700]                                                                    |-----L1.13-----| "
         - "L1.12[400,500]                                |-----L1.12-----|                                     "
         - "L1.11[250,350]      |-----L1.11-----|                                                               "
@@ -407,11 +407,11 @@ mod tests {
         ---
         - initial
         - "L1                                                                                                  "
-        - "L1.15[1000,1100]@200                                                                      |-L1.15-| "
-        - "L1.13[600,700]@90                                   |-L1.13-|                                       "
-        - "L1.12[400,500]@101                |-L1.12-|                                                         "
-        - "L1.11[250,350]@99   |-L1.11-|                                                                       "
-        - "L1.14[800,900]@100                                                     |-L1.14-|                    "
+        - "L1.15[1000,1100] 200b                                                                      |-L1.15-| "
+        - "L1.13[600,700] 90b                                  |-L1.13-|                                       "
+        - "L1.12[400,500] 101b               |-L1.12-|                                                         "
+        - "L1.11[250,350] 99b  |-L1.11-|                                                                       "
+        - "L1.14[800,900] 100b                                                    |-L1.14-|                    "
         "###
         );
 
@@ -425,13 +425,13 @@ mod tests {
         ---
         - files_to_compact
         - "L1                                                                                                  "
-        - "L1.11[250,350]@99   |-----L1.11-----|                                                               "
-        - "L1.13[600,700]@90                                                                 |-----L1.13-----| "
-        - "L1.12[400,500]@101                            |-----L1.12-----|                                     "
+        - "L1.11[250,350] 99b  |-----L1.11-----|                                                               "
+        - "L1.13[600,700] 90b                                                                |-----L1.13-----| "
+        - "L1.12[400,500] 101b                           |-----L1.12-----|                                     "
         - files_to_upgrade
         - "L1                                                                                                  "
-        - "L1.15[1000,1100]@200                                                     |---------L1.15----------| "
-        - "L1.14[800,900]@100  |---------L1.14----------|                                                      "
+        - "L1.15[1000,1100] 200b                                                     |---------L1.15----------| "
+        - "L1.14[800,900] 100b |---------L1.14----------|                                                      "
         "###
         );
     }
@@ -444,11 +444,11 @@ mod tests {
             @r###"
         ---
         - initial
-        - "L0                                                                                                  "
+        - "L0, all files 99b                                                                                   "
         - "L0.2[650,750]                                                        |---L0.2---|                   "
         - "L0.1[450,620]                               |-------L0.1-------|                                    "
         - "L0.3[800,900]                                                                          |---L0.3---| "
-        - "L1                                                                                                  "
+        - "L1, all files 99b                                                                                   "
         - "L1.13[600,700]                                                 |--L1.13---|                         "
         - "L1.12[400,500]                        |--L1.12---|                                                  "
         - "L1.11[250,350]      |--L1.11---|                                                                    "
@@ -465,11 +465,11 @@ mod tests {
             @r###"
         ---
         - files_to_compact
-        - "L0                                                                                                  "
+        - "L0, all files 99b                                                                                   "
         - "L0.3[800,900]                                                                          |---L0.3---| "
         - "L0.1[450,620]                               |-------L0.1-------|                                    "
         - "L0.2[650,750]                                                        |---L0.2---|                   "
-        - "L1                                                                                                  "
+        - "L1, all files 99b                                                                                   "
         - "L1.13[600,700]                                                 |--L1.13---|                         "
         - "L1.12[400,500]                        |--L1.12---|                                                  "
         - "L1.11[250,350]      |--L1.11---|                                                                    "
@@ -486,11 +486,11 @@ mod tests {
             @r###"
         ---
         - initial
-        - "L0                                                                                                  "
+        - "L0, all files 100b                                                                                  "
         - "L0.2[650,750]                                                        |---L0.2---|                   "
         - "L0.1[450,620]                               |-------L0.1-------|                                    "
         - "L0.3[800,900]                                                                          |---L0.3---| "
-        - "L1                                                                                                  "
+        - "L1, all files 100b                                                                                  "
         - "L1.13[600,700]                                                 |--L1.13---|                         "
         - "L1.12[400,500]                        |--L1.12---|                                                  "
         - "L1.11[250,350]      |--L1.11---|                                                                    "
@@ -507,15 +507,15 @@ mod tests {
             @r###"
         ---
         - files_to_compact
-        - "L0                                                                                                  "
+        - "L0, all files 100b                                                                                  "
         - "L0.1[450,620]                                       |----------L0.1-----------|                     "
         - "L0.2[650,750]                                                                       |-----L0.2-----|"
-        - "L1                                                                                                  "
+        - "L1, all files 100b                                                                                  "
         - "L1.13[600,700]                                                              |----L1.13-----|        "
         - "L1.12[400,500]                              |----L1.12-----|                                        "
         - "L1.11[250,350]      |----L1.11-----|                                                                "
         - files_to_upgrade
-        - "L0                                                                                                  "
+        - "L0, all files 100b                                                                                  "
         - "L0.3[800,900]       |-------------------------------------L0.3-------------------------------------|"
         "###
         );
@@ -533,11 +533,11 @@ mod tests {
             @r###"
         ---
         - files_to_compact
-        - "L1                                                                                                  "
+        - "L1, all files 99b                                                                                   "
         - "L1.11[250,350]                                  |--L1.11--|                                         "
         - "L1.12[400,500]                                                   |--L1.12--|                        "
         - "L1.13[600,700]                                                                          |--L1.13--| "
-        - "L2                                                                                                  "
+        - "L2, all files 99b                                                                                   "
         - "L2.21[0,100]        |--L2.21--|                                                                     "
         - "L2.22[200,300]                            |--L2.22--|                                               "
         - files_to_upgrade
@@ -553,11 +553,11 @@ mod tests {
             @r###"
         ---
         - initial
-        - "L1                                                                                                  "
+        - "L1, all files 100b                                                                                  "
         - "L1.13[600,700]                                                                          |--L1.13--| "
         - "L1.12[400,500]                                                   |--L1.12--|                        "
         - "L1.11[250,350]                                  |--L1.11--|                                         "
-        - "L2                                                                                                  "
+        - "L2, all files 100b                                                                                  "
         - "L2.21[0,100]        |--L2.21--|                                                                     "
         - "L2.22[200,300]                            |--L2.22--|                                               "
         "###
@@ -572,13 +572,13 @@ mod tests {
             @r###"
         ---
         - files_to_compact
-        - "L1                                                                                                  "
+        - "L1, all files 100b                                                                                  "
         - "L1.11[250,350]                                                               |-------L1.11--------| "
-        - "L2                                                                                                  "
+        - "L2, all files 100b                                                                                  "
         - "L2.21[0,100]        |-------L2.21--------|                                                          "
         - "L2.22[200,300]                                                   |-------L2.22--------|             "
         - files_to_upgrade
-        - "L1                                                                                                  "
+        - "L1, all files 100b                                                                                  "
         - "L1.13[600,700]                                                           |---------L1.13----------| "
         - "L1.12[400,500]      |---------L1.12----------|                                                      "
         "###
@@ -597,12 +597,12 @@ mod tests {
         ---
         - initial
         - "L1                                                                                                  "
-        - "L1.13[600,700]@99                                                                       |--L1.13--| "
-        - "L1.12[400,500]@100                                               |--L1.12--|                        "
-        - "L1.11[250,350]@100                              |--L1.11--|                                         "
+        - "L1.13[600,700] 99b                                                                      |--L1.13--| "
+        - "L1.12[400,500] 100b                                              |--L1.12--|                        "
+        - "L1.11[250,350] 100b                             |--L1.11--|                                         "
         - "L2                                                                                                  "
-        - "L2.21[0,100]@100    |--L2.21--|                                                                     "
-        - "L2.22[200,300]@100                        |--L2.22--|                                               "
+        - "L2.21[0,100] 100b   |--L2.21--|                                                                     "
+        - "L2.22[200,300] 100b                       |--L2.22--|                                               "
         "###
         );
 
@@ -615,12 +615,12 @@ mod tests {
         ---
         - files_to_compact
         - "L1                                                                                                  "
-        - "L1.11[250,350]@100                              |--L1.11--|                                         "
-        - "L1.13[600,700]@99                                                                       |--L1.13--| "
-        - "L1.12[400,500]@100                                               |--L1.12--|                        "
+        - "L1.11[250,350] 100b                             |--L1.11--|                                         "
+        - "L1.13[600,700] 99b                                                                      |--L1.13--| "
+        - "L1.12[400,500] 100b                                              |--L1.12--|                        "
         - "L2                                                                                                  "
-        - "L2.21[0,100]@100    |--L2.21--|                                                                     "
-        - "L2.22[200,300]@100                        |--L2.22--|                                               "
+        - "L2.21[0,100] 100b   |--L2.21--|                                                                     "
+        - "L2.22[200,300] 100b                       |--L2.22--|                                               "
         - files_to_upgrade
         "###
         );
@@ -638,12 +638,12 @@ mod tests {
         ---
         - initial
         - "L1                                                                                                  "
-        - "L1.13[600,700]@100                                                                      |--L1.13--| "
-        - "L1.12[400,500]@99                                                |--L1.12--|                        "
-        - "L1.11[250,350]@100                              |--L1.11--|                                         "
+        - "L1.13[600,700] 100b                                                                     |--L1.13--| "
+        - "L1.12[400,500] 99b                                               |--L1.12--|                        "
+        - "L1.11[250,350] 100b                             |--L1.11--|                                         "
         - "L2                                                                                                  "
-        - "L2.21[0,100]@100    |--L2.21--|                                                                     "
-        - "L2.22[200,300]@100                        |--L2.22--|                                               "
+        - "L2.21[0,100] 100b   |--L2.21--|                                                                     "
+        - "L2.22[200,300] 100b                       |--L2.22--|                                               "
         "###
         );
 
@@ -655,13 +655,13 @@ mod tests {
         ---
         - files_to_compact
         - "L1                                                                                                  "
-        - "L1.11[250,350]@100                                          |----L1.11-----|                        "
-        - "L1.12[400,500]@99                                                                   |----L1.12-----|"
+        - "L1.11[250,350] 100b                                         |----L1.11-----|                        "
+        - "L1.12[400,500] 99b                                                                  |----L1.12-----|"
         - "L2                                                                                                  "
-        - "L2.21[0,100]@100    |----L2.21-----|                                                                "
-        - "L2.22[200,300]@100                                  |----L2.22-----|                                "
+        - "L2.21[0,100] 100b   |----L2.21-----|                                                                "
+        - "L2.22[200,300] 100b                                 |----L2.22-----|                                "
         - files_to_upgrade
-        - "L1                                                                                                  "
+        - "L1, all files 100b                                                                                  "
         - "L1.13[600,700]      |------------------------------------L1.13-------------------------------------|"
         "###
         );
@@ -676,10 +676,10 @@ mod tests {
             @r###"
         ---
         - initial
-        - "L0                                                                                                  "
+        - "L0, all files 100b                                                                                  "
         - "L0.2[520,550]                                                                  |L0.2|               "
         - "L0.1[250,350]                                   |--L0.1---|                                         "
-        - "L1                                                                                                  "
+        - "L1, all files 100b                                                                                  "
         - "L1.13[400,500]                                                   |--L1.13--|                        "
         - "L1.12[200,300]                            |--L1.12--|                                               "
         - "L1.11[0,100]        |--L1.11--|                                                                     "
@@ -696,10 +696,10 @@ mod tests {
             @r###"
         ---
         - files_to_compact
-        - "L0                                                                                                  "
+        - "L0, all files 100b                                                                                  "
         - "L0.1[250,350]                                   |--L0.1---|                                         "
         - "L0.2[520,550]                                                                  |L0.2|               "
-        - "L1                                                                                                  "
+        - "L1, all files 100b                                                                                  "
         - "L1.13[400,500]                                                   |--L1.13--|                        "
         - "L1.12[200,300]                            |--L1.12--|                                               "
         - "L1.11[0,100]        |--L1.11--|                                                                     "
@@ -718,14 +718,14 @@ mod tests {
             @r###"
         ---
         - initial
-        - "L0                                                                                                  "
+        - "L0, all files 99b                                                                                   "
         - "L0.3[400,500]                                    |L0.3-|                                            "
         - "L0.2[200,300]                     |L0.2-|                                                           "
         - "L0.1[0,100]         |L0.1-|                                                                         "
         - "L0.4[600,700]                                                  |L0.4-|                              "
         - "L0.5[800,900]                                                                 |L0.5-|               "
         - "L0.6[1000,1100]                                                                             |L0.6-| "
-        - "L1                                                                                                  "
+        - "L1, all files 99b                                                                                   "
         - "L1.11[250,350]                        |L1.11|                                                       "
         - "L1.12[650,750]                                                     |L1.12|                          "
         "###
@@ -740,14 +740,14 @@ mod tests {
             @r###"
         ---
         - files_to_compact
-        - "L0                                                                                                  "
+        - "L0, all files 99b                                                                                   "
         - "L0.6[1000,1100]                                                                             |L0.6-| "
         - "L0.5[800,900]                                                                 |L0.5-|               "
         - "L0.4[600,700]                                                  |L0.4-|                              "
         - "L0.1[0,100]         |L0.1-|                                                                         "
         - "L0.2[200,300]                     |L0.2-|                                                           "
         - "L0.3[400,500]                                    |L0.3-|                                            "
-        - "L1                                                                                                  "
+        - "L1, all files 99b                                                                                   "
         - "L1.11[250,350]                        |L1.11|                                                       "
         - "L1.12[650,750]                                                     |L1.12|                          "
         - files_to_upgrade
@@ -766,14 +766,14 @@ mod tests {
             @r###"
         ---
         - initial
-        - "L0                                                                                                  "
+        - "L0, all files 110b                                                                                  "
         - "L0.3[400,500]                                    |L0.3-|                                            "
         - "L0.2[200,300]                     |L0.2-|                                                           "
         - "L0.1[0,100]         |L0.1-|                                                                         "
         - "L0.4[600,700]                                                  |L0.4-|                              "
         - "L0.5[800,900]                                                                 |L0.5-|               "
         - "L0.6[1000,1100]                                                                             |L0.6-| "
-        - "L1                                                                                                  "
+        - "L1, all files 110b                                                                                  "
         - "L1.11[250,350]                        |L1.11|                                                       "
         - "L1.12[650,750]                                                     |L1.12|                          "
         "###
@@ -788,15 +788,15 @@ mod tests {
             @r###"
         ---
         - files_to_compact
-        - "L0                                                                                                  "
+        - "L0, all files 110b                                                                                  "
         - "L0.4[600,700]                                                                 |----L0.4----|        "
         - "L0.2[200,300]       |----L0.2----|                                                                  "
         - "L0.3[400,500]                                    |----L0.3----|                                     "
-        - "L1                                                                                                  "
+        - "L1, all files 110b                                                                                  "
         - "L1.11[250,350]             |---L1.11----|                                                           "
         - "L1.12[650,750]                                                                       |---L1.12----| "
         - files_to_upgrade
-        - "L0                                                                                                  "
+        - "L0, all files 110b                                                                                  "
         - "L0.1[0,100]         |L0.1-|                                                                         "
         - "L0.5[800,900]                                                                 |L0.5-|               "
         - "L0.6[1000,1100]                                                                             |L0.6-| "
@@ -816,15 +816,15 @@ mod tests {
         ---
         - initial
         - "L0                                                                                                  "
-        - "L0.3[400,500]@100                                |L0.3-|                                            "
-        - "L0.2[200,300]@100                 |L0.2-|                                                           "
-        - "L0.1[0,100]@100     |L0.1-|                                                                         "
-        - "L0.4[600,700]@100                                              |L0.4-|                              "
-        - "L0.5[800,900]@100                                                             |L0.5-|               "
-        - "L0.6[1000,1100]@99                                                                          |L0.6-| "
+        - "L0.3[400,500] 100b                               |L0.3-|                                            "
+        - "L0.2[200,300] 100b                |L0.2-|                                                           "
+        - "L0.1[0,100] 100b    |L0.1-|                                                                         "
+        - "L0.4[600,700] 100b                                             |L0.4-|                              "
+        - "L0.5[800,900] 100b                                                            |L0.5-|               "
+        - "L0.6[1000,1100] 99b                                                                         |L0.6-| "
         - "L1                                                                                                  "
-        - "L1.11[250,350]@100                    |L1.11|                                                       "
-        - "L1.12[650,750]@100                                                 |L1.12|                          "
+        - "L1.11[250,350] 100b                   |L1.11|                                                       "
+        - "L1.12[650,750] 100b                                                |L1.12|                          "
         "###
         );
 
@@ -838,16 +838,16 @@ mod tests {
         ---
         - files_to_compact
         - "L0                                                                                                  "
-        - "L0.6[1000,1100]@99                                                                         |-L0.6-| "
-        - "L0.4[600,700]@100                                      |-L0.4-|                                     "
-        - "L0.2[200,300]@100   |-L0.2-|                                                                        "
-        - "L0.3[400,500]@100                    |-L0.3-|                                                       "
-        - "L0.5[800,900]@100                                                        |-L0.5-|                   "
+        - "L0.6[1000,1100] 99b                                                                        |-L0.6-| "
+        - "L0.4[600,700] 100b                                     |-L0.4-|                                     "
+        - "L0.2[200,300] 100b  |-L0.2-|                                                                        "
+        - "L0.3[400,500] 100b                   |-L0.3-|                                                       "
+        - "L0.5[800,900] 100b                                                       |-L0.5-|                   "
         - "L1                                                                                                  "
-        - "L1.11[250,350]@100      |L1.11-|                                                                    "
-        - "L1.12[650,750]@100                                          |L1.12-|                                "
+        - "L1.11[250,350] 100b     |L1.11-|                                                                    "
+        - "L1.12[650,750] 100b                                         |L1.12-|                                "
         - files_to_upgrade
-        - "L0                                                                                                  "
+        - "L0, all files 100b                                                                                  "
         - "L0.1[0,100]         |-------------------------------------L0.1-------------------------------------|"
         "###
         );
diff --git a/compactor2/src/test_util/display.rs b/compactor2/src/test_util/display.rs
index 2594a464f5..01870276b6 100644
--- a/compactor2/src/test_util/display.rs
+++ b/compactor2/src/test_util/display.rs
@@ -94,7 +94,7 @@ fn readable_list_of_files<'a>(
 #[derive(Debug, Default)]
 struct ParquetFileFormatter {
     /// should the size of the files be shown (if they are different)
-    show_size: bool,
+    file_size_seen: FileSizeSeen,
     /// width in characater
     row_heading_chars: usize,
     /// width, in characters, of the entire min/max timerange
@@ -107,9 +107,10 @@ struct ParquetFileFormatter {
     max_time: i64,
 }
 
-#[derive(Debug)]
+#[derive(Debug, Default)]
 /// helper to track if there are multiple file sizes in a set of parquet files
 enum FileSizeSeen {
+    #[default]
     None,
     One(i64),
     Many,
@@ -149,15 +150,12 @@ impl ParquetFileFormatter {
                 file_size_seen.observe(file.file_size_bytes)
             });
 
-        // show the size if there are multiple sizes
-        let show_size = matches!(file_size_seen, FileSizeSeen::Many);
-
         let time_range = max_time - min_time;
 
         let ns_per_char = (time_range as f64) / (width_chars as f64);
 
         Self {
-            show_size,
+            file_size_seen,
             width_chars,
             ns_per_char,
             min_time,
@@ -179,9 +177,14 @@ impl ParquetFileFormatter {
     }
 
     fn format_level(&self, level: &CompactionLevel) -> String {
+        let level_heading = display_level(level);
+        let level_heading = match self.file_size_seen {
+            FileSizeSeen::One(sz) => format!("{level_heading}, all files {sz}b"),
+            _ => level_heading.into(),
+        };
+
         format!(
-            "{:width$}",
-            display_level(level),
+            "{level_heading:width$}",
             width = self.width_chars + self.row_heading_chars
         )
     }
@@ -206,7 +209,9 @@ impl ParquetFileFormatter {
         // Get compact display of the file, like 'L0.1'
         // add |--- ---| formatting (based on field width)
         let file_string = format!("|{:-^width$}|", display_file_id(file), width = field_width);
-        let row_heading = display_format(file, self.show_size);
+        // show indvidual file sizes if they are different
+        let show_size = matches!(self.file_size_seen, FileSizeSeen::Many);
+        let row_heading = display_format(file, show_size);
 
         // special case "zero" width times
         if self.min_time == self.max_time {
@@ -265,7 +270,7 @@ fn display_format(file: &ParquetFile, show_size: bool) -> String {
     let max_time = file.max_time.get(); // display as i64
     let sz = file.file_size_bytes;
     if show_size {
-        format!("{file_id}[{min_time},{max_time}]@{sz}")
+        format!("{file_id}[{min_time},{max_time}] {sz}b")
     } else {
         format!("{file_id}[{min_time},{max_time}]")
     }
@@ -293,7 +298,7 @@ mod test {
             @r###"
         ---
         - display
-        - "L0                                                                                                  "
+        - "L0, all files 1b                                                                                    "
         - "L0.1[0,0]           |-------------------------------------L0.1-------------------------------------|"
         - "L0.2[0,0]           |-------------------------------------L0.2-------------------------------------|"
         "###
@@ -321,10 +326,10 @@ mod test {
         ---
         - display
         - "L0                                                                                                  "
-        - "L0.1[0,0]@1         |-------------------------------------L0.1-------------------------------------|"
-        - "L0.2[0,0]@1         |-------------------------------------L0.2-------------------------------------|"
+        - "L0.1[0,0] 1b        |-------------------------------------L0.1-------------------------------------|"
+        - "L0.2[0,0] 1b        |-------------------------------------L0.2-------------------------------------|"
         - "L2                                                                                                  "
-        - "L2.3[0,0]@42        |-------------------------------------L2.3-------------------------------------|"
+        - "L2.3[0,0] 42b       |-------------------------------------L2.3-------------------------------------|"
         "###
         );
     }
@@ -354,9 +359,9 @@ mod test {
         ---
         - display
         - "L0                                                                                                  "
-        - "L0.1[100,200]@1     |----------L0.1----------|                                                      "
-        - "L0.2[300,400]@1                                                          |----------L0.2----------| "
-        - "L0.11[150,350]@44                |-----------------------L0.11-----------------------|              "
+        - "L0.1[100,200] 1b    |----------L0.1----------|                                                      "
+        - "L0.2[300,400] 1b                                                         |----------L0.2----------| "
+        - "L0.11[150,350] 44b               |-----------------------L0.11-----------------------|              "
         "###
         );
     }
diff --git a/compactor2/src/tests.rs b/compactor2/src/tests.rs
index 78fbb51cbe..05c5290f24 100644
--- a/compactor2/src/tests.rs
+++ b/compactor2/src/tests.rs
@@ -514,7 +514,7 @@ async fn test_pr6890() {
         @r###"
     ---
     - input
-    - "L0                                                                                                  "
+    - "L0, all files 1000000b                                                                              "
     - "L0.1[100,200]       |-------------------------------------L0.1-------------------------------------|"
     - "L0.2[100,200]       |-------------------------------------L0.2-------------------------------------|"
     - "L0.3[100,200]       |-------------------------------------L0.3-------------------------------------|"
@@ -537,7 +537,7 @@ async fn test_pr6890() {
         @r###"
     ---
     - input
-    - "L1                                                                                                  "
+    - "L1, all files 1b                                                                                    "
     - "L1.11[0,0]          |------------------------------------L1.11-------------------------------------|"
     - "L1.12[0,0]          |------------------------------------L1.12-------------------------------------|"
     - "L1.13[0,0]          |------------------------------------L1.13-------------------------------------|"