variable: set default tidb_build_stats_concurrency 2 (#47678)

close #47685
pingcap · Oct 17, 2023 · 91a8023 · 91a8023
1 parent 5ac13d9
commit 91a8023
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/pkg/sessionctx/variable/tidb_vars.go b/pkg/sessionctx/variable/tidb_vars.go
@@ -1130,7 +1130,7 @@ const (
 	DefIndexJoinBatchSize                          = 25000
 	DefIndexLookupSize                             = 20000
 	DefDistSQLScanConcurrency                      = 15
-	DefBuildStatsConcurrency                       = 4
+	DefBuildStatsConcurrency                       = 2
 	DefBuildSamplingStatsConcurrency               = 2
 	DefAutoAnalyzeRatio                            = 0.5
 	DefAutoAnalyzeStartTime                        = "00:00 +0000"