TiKV - v5.4.0
Improvements
- Coprocessor supports paging API to process requests in a stream-like way #11448
- Support
read-through-lock
so that read operations do not need to wait for secondary locks to be resolved #11402 - Add a disk protection mechanism to avoid panic caused by disk space drainage #10537
- Support archiving and rotating logs #11651
- Reduce the system call by the Raft client and increase CPU efficiency #11309
- Coprocessor supports pushing down substring to TiKV #11495
- Improve the scan performance by skip reading locks in the Read Committed isolation level #11485
- Reduce the default thread pool size used by backup operations and limit the use of thread pool when the stress is high #11000
- Support dynamically adjusting the sizes of the Apply thread pool and the Store thread pool #11159
- Support configuring the size of the
snap-generator
thread pool #11247 - Optimize the issue of global lock race that occurs when there are many files with frequent reads and writes #250
Bug fixes
- Fix the issue that the MVCC deletion records are not cleared by GC #11217
- Fix the issue that retrying prewrite requests in the pessimistic transaction mode might cause the risk of data inconsistency in rare cases #11187
- Fix the issue that GC scan causes memory overflow #11410
- Fix the issue that RocksDB flush or compaction causes panic when the disk capacity is full #11224
Details
date
Feb. 10, 2022, 7:21 a.m.
name
tikv-server v5.4.0
type
Minor
official page
👇
Register or login to:
- 🔍View and search all TiKV releases.
- 🛠️Create and share lists to track your tools.
- 🚨Setup notifications for major, security, feature or patch updates.
- 🚀Much more coming soon!