feat: Add universal levelzero segment switch (#28483)

See also: #27349

Signed-off-by: yangxuan <xuan.yang@zilliz.com>

configs/milvus.yaml

@@ -373,6 +373,8 @@ dataCoord:
     # MUST BE GREATER THAN OR EQUAL TO <smallProportion>!!!
     # During compaction, the size of segment # of rows is able to exceed segment max # of rows by (expansionRate-1) * 100%.
     expansionRate: 1.25
+    # Whether to enable levelzero segment
+    enableLevelZero: false
   enableCompaction: true # Enable data segment compaction
   compaction:
     enableAutoCompaction: true
@@ -381,7 +383,6 @@ dataCoord:
     indexBasedCompaction: true
 
     levelzero:
-      enable: false
       forceTrigger:
         minSize: 8 # The minmum size in MB to force trigger a LevelZero Compaction
         deltalogMinNum: 10 # the minimum number of deltalog files to force trigger a LevelZero Compaction

pkg/util/paramtable/component_param.go

@@ -2045,8 +2045,8 @@ type dataCoordConfig struct {
 	SingleCompactionDeltalogMaxNum    ParamItem `refreshable:"true"`
 	GlobalCompactionInterval          ParamItem `refreshable:"false"`
 
-	// LevelZeroCompaction
-	LevelZeroCompactionEnabled               ParamItem `refreshable:"true"`
+	// LevelZero Segment
+	EnableLevelZeroSegment                   ParamItem `refreshable:"false"`
 	LevelZeroCompactionTriggerMinSize        ParamItem `refreshable:"true"`
 	LevelZeroCompactionTriggerDeltalogMinNum ParamItem `refreshable:"true"`
 
@@ -2334,13 +2334,13 @@ During compaction, the size of segment # of rows is able to exceed segment max #
 	p.GlobalCompactionInterval.Init(base.mgr)
 
 	// LevelZeroCompaction
-	p.LevelZeroCompactionEnabled = ParamItem{
-		Key:          "dataCoord.compaction.levelzero.enable",
+	p.EnableLevelZeroSegment = ParamItem{
+		Key:          "dataCoord.segment.enableLevelZero",
 		Version:      "2.3.4",
 		Doc:          "Whether to enable LevelZeroCompaction",
 		DefaultValue: "false",
 	}
-	p.LevelZeroCompactionEnabled.Init(base.mgr)
+	p.EnableLevelZeroSegment.Init(base.mgr)
 
 	p.LevelZeroCompactionTriggerMinSize = ParamItem{
 		Key:          "dataCoord.compaction.levelzero.forceTrigger.minSize",