Set scheduler duration of index task can be configurable (#21944)

Signed-off-by: cai.zhang <cai.zhang@zilliz.com>

configs/milvus.yaml

@@ -259,6 +259,9 @@ indexCoord:
   gc:
     interval: 600 # gc interval in seconds
 
+  scheduler:
+    interval: 1000 # scheduler interval in Millisecond
+
 indexNode:
   port: 21121
   enableDisk: true # enable index node build disk vector index

internal/datacoord/index_builder.go

@@ -97,7 +97,7 @@ func newIndexBuilder(ctx context.Context, metaTable *meta, nodeManager *IndexNod
 		meta:             metaTable,
 		tasks:            make(map[int64]indexTaskState),
 		notifyChan:       make(chan struct{}, 1),
-		scheduleDuration: time.Second,
+		scheduleDuration: Params.DataCoordCfg.IndexTaskSchedulerInterval.GetAsDuration(time.Millisecond),
 		policy:           defaultBuildIndexPolicy,
 		nodeManager:      nodeManager,
 		chunkManager:     chunkManager,

internal/util/paramtable/component_param.go

@@ -1399,10 +1399,11 @@ type dataCoordConfig struct {
 	GCDropTolerance         ParamItem `refreshable:"false"`
 	EnableActiveStandby     ParamItem `refreshable:"false"`
 
-	BindIndexNodeMode ParamItem `refreshable:"false"`
-	IndexNodeAddress  ParamItem `refreshable:"false"`
-	WithCredential    ParamItem `refreshable:"false"`
-	IndexNodeID       ParamItem `refreshable:"false"`
+	BindIndexNodeMode          ParamItem `refreshable:"false"`
+	IndexNodeAddress           ParamItem `refreshable:"false"`
+	WithCredential             ParamItem `refreshable:"false"`
+	IndexNodeID                ParamItem `refreshable:"false"`
+	IndexTaskSchedulerInterval ParamItem `refreshable:"false"`
 
 	MinSegmentNumRowsToEnableIndex ParamItem `refreshable:"true"`
 }
@@ -1639,6 +1640,12 @@ func (p *dataCoordConfig) init(base *BaseTable) {
 		DefaultValue: "0",
 	}
 	p.IndexNodeID.Init(base.mgr)
+	p.IndexTaskSchedulerInterval = ParamItem{
+		Key:          "indexCoord.scheduler.interval",
+		Version:      "2.0.0",
+		DefaultValue: "1000",
+	}
+	p.IndexTaskSchedulerInterval.Init(base.mgr)
 }
 
 // /////////////////////////////////////////////////////////////////////////////