Fix stale read can not eliminate the learner read on TiFlash (#10099)#10131
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ti-chi-bot[bot] merged 1 commit intopingcap:release-8.5from Apr 25, 2025
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Signed-off-by: CalvinNeo <calvinneo1995@gmail.com>
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JinheLin
approved these changes
Apr 24, 2025
JaySon-Huang
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Apr 24, 2025
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[APPROVALNOTIFIER] This PR is APPROVED This pull-request has been approved by: JaySon-Huang, JinheLin The full list of commands accepted by this bot can be found here. The pull request process is described here DetailsNeeds approval from an approver in each of these files:
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What problem does this PR solve?
Issue Number: ref #4982, close #10046
Problem Summary:
update proxy to raftstore-proxy-8.5
Proxy PR:
Including:\nSubmodule contrib/tiflash-proxy c6be02340f..c91242c77e:
The leader_safe_ts, self_safe_ts are always 0 in the TiFlash side, making TiFlash can not eliminate the learner read on region without any updates.
What is changed and how it works?
For detailed reasons why safe_ts failed to be updated, checkout the description on pingcap/tidb-engine-ext#429.
Check List
Tests
Side effects
Documentation
Release note