TiKV - v6.5.0

Improvements

• Stop writing to Raft Engine when there is insufficient space to avoid exhausting disk space #13642 @jiayang-zheng
• Support pushing down the json_valid function to TiKV #13571 @lizhenhuan
• Support backing up multiple ranges of data in a single backup request #13701 @Leavrth
• Support backing up data to the Asia Pacific region (ap-southeast-3) of AWS by updating the rusoto library #13751 @3pointer
• Reduce pessimistic transaction conflicts #13298 @MyonKeminta
• Improve recovery performance by caching external storage objects #13798 @YuJuncen
• Run the CheckLeader in a dedicated thread to reduce TiCDC replication latency #13774 @overvenus
• Support pull model for Checkpoints #13824 @YuJuncen
• Avoid spinning issues on the sender side by updating crossbeam-channel #13815 @sticnarf
• Support batch Coprocessor tasks processing in TiKV #13849 @cfzjywxk
• Reduce waiting time on failure recovery by notifying TiKV to wake up Regions #13648 @LykxSassinator
• Reduce the requested size of memory usage by code optimization #13827 @BusyJay
• Introduce the Raft extension to improve code extensibility #13827 @BusyJay
• Support using tikv-ctl to query which Regions are included in a certain key range #13760 @HuSharp
• Improve read and write performance for rows that are not updated but locked continuously #13694 @sticnarf

Bug fixes

• Fix an error in Raft Engine ctl #11119 @tabokie
• Fix the Get raft db is not allowed error when executing the compact raft command in tikv-ctl #13515 @guoxiangCN
• Fix the issue that log backup does not work when TLS is enabled #13867 @YuJuncen
• Fix the support issue of the Geometry field type #13651 @dveeden
• Fix the issue that _ in the LIKE operator cannot match non-ASCII characters when new collation is not enabled #13769 @YangKeao
• Fix the issue that tikv-ctl is terminated unexpectedly when executing the reset-to-version command #13829 @tabokie