[close #749] Fix health checking issue (#748) #753
Merged
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This is an automated cherry-pick of #748
What problem does this PR solve?
Issue Number: close #749
pingcap/tispark#2707
Problem Description: StoreHealthyChecker fails to check the status of TiFlash
What is changed and how does it work?
Use isMppalive RPC to probe the status of TiFlash.
Check List for Tests
Manual test:
I have tested this locally with TiSpark. TiSpark will request TiFlash using client-java
Side effects
Related changes