resourcemanager: avoid to schedule when no task is in the pool

Signed-off-by: Weizhen Wang <wangweizhen@pingcap.com>
pingcap · Feb 6, 2023 · 5b80f25 · 5b80f25
1 parent 1e54ee4
commit 5b80f25
Showing 1 changed file with 9 additions and 7 deletions.
diff --git a/resourcemanager/schedule.go b/resourcemanager/schedule.go
@@ -31,13 +31,15 @@ func (r *ResourceManager) schedule() {
 }
 
 func (r *ResourceManager) schedulePool(pool *util.PoolContainer) scheduler.Command {
-	for _, sch := range r.scheduler {
-		cmd := sch.Tune(pool.Component, pool.Pool)
-		switch cmd {
-		case scheduler.Hold:
-			continue
-		default:
-			return cmd
+	if pool.Pool.Running() != 0 {
+		for _, sch := range r.scheduler {
+			cmd := sch.Tune(pool.Component, pool.Pool)
+			switch cmd {
+			case scheduler.Hold:
+				continue
+			default:
+				return cmd
+			}
 		}
 	}
 	return scheduler.Hold