pd-server v6.0.0

Improvements

• Support automatically selecting the fastest object for transfer when evicting the leader, which helps speed up the eviction process #4229
• Forbid deleting a voter from a 2-replica Raft group in case that the Region becomes unavailable #4564
• Speed up the scheduling of the balance leader #4652

Bug Fixes

• Fix the issue that the operator creates steps with meaningless Joint Consensus #4362 #4444
• Fix a bug that the TSO revoking might get stuck when closing the PD client #4549
• Fix the issue that the Region scatterer scheduling might cause lost peers #4565
• Fix the issue that Duration fields of dr-autosync cannot be dynamically configured #4651

v6.0.0-alpha: placement: change ValidateStores condition (#4700)

close tikv/pd#4690

change ValidateStores condition

Signed-off-by: Cabinfever_B <[email protected]>

Co-authored-by: Ti Chi Robot <[email protected]>

pd-server v5.3.1

Feature enhancements

• Speed up the exit process of schedulers #4146

Bug fixes

• Fix a bug that the schedule generated by the region scatterer might decrease the number of peers #4565
• Fix the issue that Region statistics are not affected by flow-round-by-digit #4295
• Fix slow leader election caused by stucked region syncer #3936
• Support that the evict leader scheduler can schedule regions with unhealthy peers #4093
• Fix the issue that the cold hotspot data cannot be deleted from the hotspot statistics #4390
• Fix a panic issue that occurs after the TiKV node is removed #4344
• Fix the issue that the scheduling operator cannot fail fast because the target store is down #3353

pd-server v5.1.4

Feature enhancements

• Speed up the exit process of schedulers #4146

Bug fixes

• Fix a bug that the schedule generated by the region scatterer might decrease the number of peers #4565
• Fix the issue that Region statistics are not affected by flow-round-by-digit #4295
• Fix slow leader election caused by stucked region syncer #3936
• Support that the evict leader scheduler can schedule regions with unhealthy peers #4093
• Fix the issue that the cold hotspot data cannot be deleted from the hotspot statistics #4390
• Fix a panic issue that occurs after the TiKV node is removed #4344
• Fix the issue that the scheduling operator cannot fail fast because the target store is down #3353

pd-server v5.4.0

Improvements

• Record the historic hotspot information by default #25281
• Add signature for the HTTP component to identify the request source #4490
• Update TiDB Dashboard to v2021.12.31 #4257

Bug fixes

• Fix the issue that Region statistics are not affected by flow-round-by-digit #4295
• Fix the issue that the scheduling operator cannot fail fast because the target store is down #3353
• Fix the issue that Regions on offline stores cannot be merged #4119
• Fix the issue that the cold hotspot data cannot be deleted from the hotspot statistics #4390

pd-server v5.0.6

Improvements

• Make the scheduling results of the scatter-range-scheduler scheduler more even by allowing the scheduler to schedule empty Regions and fix the configurations of the scheduler #4497

Bug fixes

• Fix the issue that operator can get blocked due to down store #3353
• Fix the issue that the speed of removing peers is limited when repairing the down nodes #4090
• Fix the issue that the hotspot cache cannot be cleared when the Region heartbeat is less than 60 seconds #4390

pd-server v4.0.16

Bug fixes

• Fix a panic issue that occurs after the TiKV node is removed #4344
• Fix slow leader election caused by stucked region syncer #3936
• Support that the evict leader scheduler can schedule regions with unhealthy peers #4093

pd-server v5.3.0

Improvements

• Add more types of write queries to QPS dimensions in the hotspot scheduler #3869
• Support dynamically adjusting the retry limit of the balance region scheduler to improve the performance of the scheduler #3744
• Update TiDB Dashboard to v2021.10.08.1 #4070
• Support that the evict leader scheduler can schedule regions with unhealthy peers #4093
• Speed up the exit process of schedulers #4146

Bug Fixes

• Fix the issue that PD incorrectly delete the peers with data and in pending status because the number of peers exceeds the number of configured peers #4045
• Fix the issue that PD does not fix down peers in time #4077
• Fix the issue that the scatter range scheduler cannot schedule empty regions #4118
• Fix the issue that the key manager cost too much CPU #4071
• Fix the data race issue that might occur when setting configurations of hot region scheduler #4159
• Fix slow leader election caused by stucked region syncer#3936

pd-server v5.2.3

There is no release note for this version.

pd-server v5.2.2

Improvements

• Add more types of write queries to QPS dimensions in the hotspot scheduler #3869
• Support dynamically adjusting the retry limit of the balance region scheduler to improve the performance of the scheduler #3744
• Update TiDB Dashboard to v2021.10.08.1 #4070
• Support that the evict leader scheduler can schedule regions with unhealthy peers #4093
• Speed up the exit process of a scheduler after receiving an end-of-process signal #4146

Bug Fixes

• Fix the issue that PD incorrectly delete the peers with data and in pending status because the number of peers exceeds the number of configured peers #4045
• Fix the issue that PD does not fix down peers in time #4077
• Fix the issue that the scatter range scheduler cannot schedule empty regions #4118
• Fix the issue that the key manager cost too much CPU #4071
• Fix the data race issue that might occur when setting configurations of hot region scheduler #4159
• Fix slow leader election caused by stucked region syncer#3936