From 172add904720b5274a09145a8875153ccd918f1d Mon Sep 17 00:00:00 2001
From: Weizhen Wang <wangweizhen@pingcap.com>
Date: Mon, 23 Sep 2024 15:58:24 +0800
Subject: [PATCH] variable: set default tidb_auto_analyze_concurrency as 1

Signed-off-by: Weizhen Wang <wangweizhen@pingcap.com>
---
 pkg/sessionctx/variable/tidb_vars.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkg/sessionctx/variable/tidb_vars.go b/pkg/sessionctx/variable/tidb_vars.go
index ffb89f4251034..08835ee281e39 100644
--- a/pkg/sessionctx/variable/tidb_vars.go
+++ b/pkg/sessionctx/variable/tidb_vars.go
@@ -1426,7 +1426,7 @@ const (
 	DefTiDBAnalyzeColumnOptions                       = "PREDICATE"
 	DefTiDBMemOOMAction                               = "CANCEL"
 	DefTiDBMaxAutoAnalyzeTime                         = 12 * 60 * 60
-	DefTiDBAutoAnalyzeConcurrency                     = 2
+	DefTiDBAutoAnalyzeConcurrency                     = 1
 	DefTiDBEnablePrepPlanCache                        = true
 	DefTiDBPrepPlanCacheSize                          = 100
 	DefTiDBSessionPlanCacheSize                       = 100