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TiFlash v5.1.2
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@zhouqiang-cl zhouqiang-cl released this 27 Sep 02:44
v5.1.2
5191b8d
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Learn about vigilant mode.

Improvements

  • Support the DATE() function
  • Add write throughput per instance to Grafana panels
  • Optimize the performance of the leader-read process
  • Accelerate the process of canceling MPP tasks

Bug Fixes

  • Fix the issue of unexpected results when TiFlash fails to establish MPP connections
  • Fix the potential issue of data inconsistency that occurs when TiFlash is deployed on multiple disks
  • Fix a bug that MPP queries get wrong results when TiFlash server is under high load
  • Fix a potential bug that MPP queries hang forever
  • Fix the issue of concurrency problem between store initialization and DDL
  • Fix a bug of incorrect results that occurs when queries contain filters like CONSTANT < | <= | > | >= COLUMN
  • Fix the potential panic issue when Snapshot is applied simultaneously with with multiple DDL operations
  • Fix the issue that the store size in metrics is inaccurate under heavy writing
  • Fix the potential issue that TiFlash cannot perform GC for the delta data after running for a long time
  • Fix the issue of wrong results when new collation is enabled
  • Fix the potential panic issue that occurs during lock resolving
  • Fix a bug that metrics display wrong value
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