TiKV - v6.1.0

Improvements

• Improve the old value hit rate of CDC when using in-memory pessimistic lock #12279
• Improve the health check to detect unavailable Raftstore, so that the TiKV client can update Region Cache in time #12398
• Support setting memory limit on Raft Engine #12255
• TiKV automatically detects and deletes the damaged SST files to improve the product availability #10578
• CDC supports RawKV #11965
• Support splitting a large snapshot file into multiple files #11595
• Move the snapshot garbage collection from Raftstore to background thread to prevent snapshot GC from blocking Raftstore message loops #11966
• Support dynamic setting of the the maximum message length (max-grpc-send-msg-len) and the maximum batch size of gPRC messages (raft-msg-max-batch-size) #12334
• Support executing online unsafe recovery plan through Raft #10483

Bug fixes

• Fix the issue that the Raft log lag is increasing when a TiKV instance is taken offline #12161
• Fix the issue that TiKV panics and destroys peers unexpectedly because the target Region to be merged is invalid #12232
• Fix the issue that TiKV reports the failed to load_latest_options error when upgrading from v5.3.1 or v5.4.0 to v6.0.0 #12269
• Fix the issue of OOM caused by appending Raft logs when the memory resource is insufficient #11379
• Fix the issue of TiKV panic caused by the race between destroying peers and batch splitting Regions #12368
• Fix the issue of TiKV memory usage spike in a short time after stats_monitor falls into a dead loop #12416
• Fix the issue that TiKV reports the invalid store ID 0 error when using Follower Read #12478