Ling Jin

For the current implementation，is there any way to prevent close blocked a long time？

/run-all-tests

/run-all-tests

/merge

/run-verify-ci

/run-leak-test /run-integration-test

/run-dm-compatibility-test

`tiup cluster stop test-cluster` cost a long time, looks triggered `graceful shutdown`, Is this expected? the command above is to hard stop the whole cluster, I don't think it should...

/run-all-tests

/run-all-tests