Ryan Leung

*: support dynamic tso service

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### What problem does this PR solve? Issue Number: Close #xxx ### What is changed and how does it work? ```commit-message ``` ### Check List Tests - Unit test -...

## Enhancement Task ``` [2024/08/22 11:39:11.129 +08:00] [INFO] [expected_primary.go:62] ["set expected primary flag"] [primary-path=/ms/7405803289801094008/tso/keyspace_groups/election/00001/primary/expected_primary] [leader-raw="\n\u001chttp://127.0.0.1:46749-00001\u0010\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\u0001\u001a\u0016http://127.0.0.1:46749"] [2024/08/22 11:39:11.311 +08:00] [INFO] [global_allocator.go:573] ["skip campaigning of tso primary and check later"] [server-name=http://127.0.0.1:41479-00001] [expected-primary-id="\n\u001chttp://127.0.0.1:46749-00001\u0010\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\u0001\u001a\u0016http://127.0.0.1:46749"]...

schedule: enlarge store limit when preparing store

5

### What problem does this PR solve? Issue Number: Close #xxx ### What is changed and how does it work? ```commit-message ``` ### Check List Tests - Unit test -...

TTL config is not consistent with persistent value

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## Bug Report We use the lease to persist the TTL config to etcd. But the minimum lease is calculated according to the etcd config. The default value is 5s....

TiKV should be the only source of truth

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Recently, we encountered a problem: the region epoch on PD is fallback due to the PD synchronizing issue when transferring the leader. And the new PD leader doesn't have the...