domain, store/tikv: enable etcd client auto sync (#9575) #9599
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Signed-off-by: disksing i@disksing.com
What problem does this PR solve?
When all PD nodes are replaced by new PD nodes, etcd clients (used by DDL worker and safepoint syncer) in tidb will lost connection with PD cluster.
What is changed and how it works?
Enable etcd's
AutoSync
feature so it will automatically update member list.cherry-pick #9575
Check List
Tests
member delete
original 3 PDs.master
, FALSE forauto-sync
)master
, TRUE forauto-sync
)Note: No unit test case included, it will be more suitable to add a integration test in schrodinger later. This bug is kind urgent and the fix is straightforward so I guess we can merge it ahead.
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