domain: fix data race in the ttlJobManager

Signed-off-by: Weizhen Wang <wangweizhen@pingcap.com>

domain/domain.go

@@ -69,6 +69,7 @@ import (
  "github.com/pingcap/tidb/util/engine"
  "github.com/pingcap/tidb/util/etcd"
  "github.com/pingcap/tidb/util/expensivequery"
+ "github.com/pingcap/tidb/util/intest"
  "github.com/pingcap/tidb/util/logutil"
  "github.com/pingcap/tidb/util/memory"
  "github.com/pingcap/tidb/util/memoryusagealarm"
@@ -905,7 +906,12 @@ func (do *Domain) Close() {
  ttlJobManager := do.ttlJobManager.Load()
  if ttlJobManager != nil {
  ttlJobManager.Stop()
- err := ttlJobManager.WaitStopped(context.Background(), 30*time.Second)
+ err := ttlJobManager.WaitStopped(context.Background(), func() time.Duration {
+ if intest.InTest {
+ return 10 * time.Second
+ }
+ return 30 * time.Second
+ }())
  if err != nil {
  logutil.BgLogger().Warn("fail to wait until the ttl job manager stop", zap.Error(err))
  }