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Motivation

Now, when Coordinator server failover and restart, it cost extremely long time to recover memory from Zookeeper.
In my test, for a cluster with 100 tables and 102400 buckets, it cost 819s to execute
initCoordinatorContext()

Solution

We can get data from Zookeeper asynchronously instead of current synchronous way.
No response

Anything else?

No response

Willingness to contribute

• I'm willing to submit a PR!