schedule: prevent suddenly scheduling (#7714)

ref #7671 Signed-off-by: Ryan Leung <[email protected]> Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>
tikv · Jan 17, 2024 · 6472313 · 6472313
1 parent 3a12148
commit 6472313
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/pkg/schedule/prepare_checker.go b/pkg/schedule/prepare_checker.go
@@ -60,6 +60,10 @@ func (checker *prepareChecker) check(c *core.BasicCluster, collectWaitTime ...ti
 			continue
 		}
 		storeID := store.GetID()
+		// It is used to avoid sudden scheduling when scheduling service is just started.
+		if len(collectWaitTime) > 0 && (float64(store.GetStoreStats().GetRegionCount())*collectFactor > float64(c.GetNotFromStorageRegionsCntByStore(storeID))) {
+			return false
+		}
 		// For each store, the number of active regions should be more than total region of the store * collectFactor
 		if float64(c.GetStoreRegionCount(storeID))*collectFactor > float64(c.GetNotFromStorageRegionsCntByStore(storeID)) {
 			return false