Merge branch 'release-6.5' into fix-6.5-59047

statistics/handle/update.go

@@ -401,7 +401,7 @@ var (
 	// DumpStatsDeltaRatio is the lower bound of `Modify Count / Table Count` for stats delta to be dumped.
 	DumpStatsDeltaRatio = 1 / 10000.0
 	// dumpStatsMaxDuration is the max duration since last update.
-	dumpStatsMaxDuration = time.Hour
+	dumpStatsMaxDuration = 5 * time.Minute
 )
 
 // needDumpStatsDelta checks whether to dump stats delta.