TiKV - v5.4.2

Improvements

• Reload TLS certificate automatically for each update to improve availability #12546
• Improve the health check to detect unavailable Raftstore, so that the TiKV client can update Region Cache in time #12398
• Transfer the leadership to CDC observer to reduce latency jitter #12111

Bug Fixes

• Fix the panic issue caused by analyzing statistics when max_sample_size is set to 0 #11192
• Fix the potential issue of mistakenly reporting TiKV panics when exiting TiKV #12231
• Fix the panic issue that might occur when the source peer catches up logs by snapshot in the Region merge process #12663
• Fix the panic issue that might occur when a peer is being split and destroyed at the same time #12825
• Fix the issue of frequent PD client reconnection that occurs when the PD client meets an error #12345
• Fix the issue of time parsing error that occurs when the DATETIME values contain a fraction and Z #12739
• Fix the issue that TiKV panics when performing type conversion for an empty string #12673
• Fix the possible duplicate commit records in pessimistic transactions when async commit is enabled #12615
• Fix the issue that TiKV reports the invalid store ID 0 error when using Follower Read #12478
• Fix the issue of TiKV panic caused by the race between destroying peers and batch splitting Regions #12368
• Fix the issue that tikv-ctl returns an incorrect result due to its wrong string match #12329
• Fix the issue of failing to start TiKV on AUFS #12543