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pd-server v4.0.5
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@sre-bot sre-bot released this 28 Aug 10:03
· 132 commits to release-4.0 since this release
v4.0.5
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Learn about vigilant mode.

Improvements

  • Support scattering Regions in stores with special engines (like TiFlash) #2706
  • Support the Region HTTP API to prioritize Region scheduling of a given key range #2687
  • Improve the leader distribution after Region scattering #2684
  • Add more tests and logs for the TSO request #2678
  • Avoid invalid cache updates after the leader of a Region has changed #2672
  • Add an option to allow store.GetLimit to return the tombstone stores #2743
  • Support synchronizing the Region leader change between the PD leader and followers #2795
  • Add commands for querying the GC safepoint service #2797
  • Replace the region.Clone call in filters to improve performance #2801
  • Add an option to disable updating Region flow cache to improve the performance of the large cluster #2848

Bug Fixes

  • Fix the bug that the TSO request might fail at the time of leader change #2666
  • Fix the issue that sometimes Region replicas cannot be scheduled to the optimal state when placement rules are enabled #2720
  • Fix the issue that Balance Leader does not work when placement rules are enabled #2726
  • Fix the issue that unhealthy stores are not filtered from store load statistics #2805
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