rambohe

we will post a performance test report for 100 edge nodes OpenYurt cluster.

/assign @luc99hen

> The report has been submit in [openyurtio/openyurt.io#199](https://github.com/openyurtio/openyurt.io/pull/199) . @luc99hen i will close this issue.

@Congrool It's a good idea to add /retest command.

@Congrool please comment and close this issue.

/close

@Congrool we need to consider how to maintain compatibility with old versions. Otherwise, OpenYurt components can not run if nodes do not have corresponding labels after components upgrade.

> @Congrool Thanks for your reply, and it's a good news that no problem with migration. Would you be able to take over this feature?

The issue will be fixed by #958

Fixes by #969