pd-server v6.1.5

There is no release note for this version.

pd-server v6.6.0

Improvements

• Support managing the global memory threshold to alleviate the OOM problem (experimental) #5827 @hnes
• Add the GC Tuner to alleviate the GC pressure (experimental) #5827 @hnes
• Add the balance-witness-scheduler scheduler to schedule witness #5763 @ethercflow
• Add the evict-slow-trend-scheduler scheduler to detect and schedule abnormal nodes #5808 @innerr
• Add the keyspace manager to manage keyspace #5293 @AmoebaProtozoa

Bug fixes

• Fix the issue that the Region Scatter task generates redundant replicas unexpectedly #5909 @HundunDM
• Fix the issue that the Online Unsafe Recovery feature would get stuck and time out in auto-detect mode #5753 @Connor1996
• Fix the issue that the execution replace-down-peer slows down under certain conditions #5788 @HundunDM
• Fix the PD OOM issue that occurs when the calls of ReportMinResolvedTS are too frequent #5965 @HundunDM

pd-server v6.1.4

There is no release note for this version.

pd-server v5.1.5

Compatibility Changes

• Disable compiling swagger server by default #4932

Bug fixes

• Fix the issue that a removed tombstone store appears again after the PD leader transfer ​​#4941
• Fix the issue that scheduling cannot start immediately after the PD leader transfer #4769
• Fix the wrong status code of not leader #4797
• Fix the issue that PD cannot correctly handle dashboard proxy requests #5321
• Fix a bug of TSO fallback in some corner cases #4884
• Fix the issue that the TiFlash learner replica might not be created in specific scenarios #5401
• Fix the issue that the label distribution has residual labels in the metrics #4825
• Fix the issue that when there exists a Store with large capacity (2T for example), fully allocated small Stores cannot be detected, which results in no balance operator being generated #4805
• Fix the issue that schedulers do not work when SchedulerMaxWaitingOperator is set to 1 #4946

pd-server v6.5.0

For new features, improvements, and bug fixes released in 6.5.0 for pd, see TiDB 6.5.0 release notes.

pd-server v6.1.3

There is no release note for this version.

pd-server v6.4.0

Improvements

• The v2 algorithm of the hot Region scheduler becomes GA. In some scenarios, the v2 algorithm can achieve better balancing in both configured dimensions and reduce invalid scheduling #5021 @HundunDM
• Optimize the timeout mechanism of operator step to avoid premature timeout #5596 @bufferflies
• Improve the performance of the scheduler in large clusters #5473 @bufferflies
• Support using external timestamp which is not provided by PD #5637 @lhy1024

Bug fixes

• Fix inaccurate Stream timeout and accelerate leader switchover #5207 @CabinfeverB

pd-server v5.3.4

Bug fixes

• Fix the issue that PD cannot correctly handle dashboard proxy requests #5321
• Fix the issue that the TiFlash learner replica might not be created in specific scenarios #5401
• Fix inaccurate Stream timeout and accelerate leader switchover #5207

pd-server v6.1.2

Bug fixes

• Fix the issue that the statistics of the Region tree might be inaccurate #5318 @rleungx
• Fix the issue that the TiFlash learner replica might not be created #5401 @HunDunDM
• Fix the issue that PD cannot correctly handle dashboard proxy requests #5321 @HunDunDM
• Fix the issue that unhealthy Region might cause PD panic #5491 @nolouch

pd-server v5.4.3

Bug fixes

• Fix the issue that PD cannot correctly handle dashboard proxy requests #5321
• Fix the issue that a removed tombstone store appears again after the PD leader transfer ​​#4941
• Fix the issue that the TiFlash learner replica might not be created #5401