privilege, domain: reduce the memory jitter of privilege reload activ…

…ity for 2M users (#59487) ref #55563, close #59403
pingcap · Feb 27, 2025 · b61e0e1 · b61e0e1
1 parent ba9f6ff
commit b61e0e1
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Showing 4 changed files with 498 additions and 429 deletions.
diff --git a/pkg/domain/domain.go b/pkg/domain/domain.go
@@ -1953,7 +1953,7 @@ func (do *Domain) LoadPrivilegeLoop(sctx sessionctx.Context) error {
 	if err != nil {
 		return err
 	}
-	do.privHandle = privileges.NewHandle(sctx.GetRestrictedSQLExecutor(), sctx.GetSessionVars().GlobalVarsAccessor)
+	do.privHandle = privileges.NewHandle(do.SysSessionPool(), sctx.GetSessionVars().GlobalVarsAccessor)
 
 	var watchCh clientv3.WatchChan
 	duration := 5 * time.Minute