schedule: avoid redundant schedule in small cluster

Signed-off-by: lhy1024 <admin@liudos.us>
tikv · Jan 10, 2025 · 1f53f12 · 1f53f12
1 parent 31a0ad6
commit 1f53f12
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/pkg/schedule/schedulers/utils.go b/pkg/schedule/schedulers/utils.go
@@ -177,6 +177,10 @@ func (p *solver) getTolerantResource() int64 {
 		p.tolerantSource = int64(p.tolerantSizeRatio)
 	} else {
 		regionSize := p.GetAverageRegionSize()
+		minRegionSize := int64(p.GetSchedulerConfig().GetScheduleConfig().MaxMergeRegionSize)
+		if regionSize < minRegionSize {
+			regionSize = minRegionSize
+		}
 		p.tolerantSource = int64(float64(regionSize) * p.tolerantSizeRatio)
 	}
 	return p.tolerantSource