Add LevelZeroCompaction configs (#28190)

See also: #27606

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

configs/milvus.yaml

@@ -380,6 +380,12 @@ dataCoord:
     maxParallelTaskNum: 10 # max parallel compaction task number
     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
+
   enableGarbageCollection: true
   gc:
     interval: 3600 # gc interval in seconds

pkg/util/paramtable/component_param.go

@@ -2036,6 +2036,11 @@ type dataCoordConfig struct {
 	SingleCompactionDeltalogMaxNum    ParamItem `refreshable:"true"`
 	GlobalCompactionInterval          ParamItem `refreshable:"false"`
 
+	// LevelZeroCompaction
+	LevelZeroCompactionEnabled               ParamItem `refreshable:"true"`
+	LevelZeroCompactionTriggerMinSize        ParamItem `refreshable:"true"`
+	LevelZeroCompactionTriggerDeltalogMinNum ParamItem `refreshable:"true"`
+
 	// Garbage Collection
 	EnableGarbageCollection ParamItem `refreshable:"false"`
 	GCInterval              ParamItem `refreshable:"false"`
@@ -2319,6 +2324,31 @@ 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",
+		Version:      "2.3.4",
+		Doc:          "Whether to enable LevelZeroCompaction",
+		DefaultValue: "false",
+	}
+	p.LevelZeroCompactionEnabled.Init(base.mgr)
+
+	p.LevelZeroCompactionTriggerMinSize = ParamItem{
+		Key:          "dataCoord.compaction.levelzero.forceTrigger.minSize",
+		Version:      "2.3.4",
+		Doc:          "The minmum size in MB to force trigger a LevelZero Compaction",
+		DefaultValue: "8",
+	}
+	p.LevelZeroCompactionTriggerMinSize.Init(base.mgr)
+
+	p.LevelZeroCompactionTriggerDeltalogMinNum = ParamItem{
+		Key:          "dataCoord.compaction.levelzero.forceTrigger.deltalogMinNum",
+		Version:      "2.3.4",
+		Doc:          "The minimum number of deltalog files to force trigger a LevelZero Compaction",
+		DefaultValue: "10",
+	}
+	p.LevelZeroCompactionTriggerDeltalogMinNum.Init(base.mgr)
+
 	p.EnableGarbageCollection = ParamItem{
 		Key:          "dataCoord.enableGarbageCollection",
 		Version:      "2.0.0",