Thanks ChrisZMF who implements slot-based data migration for Kvrocks cluster
mode, this authentically makes kvrocks cluster scalable. Even though it already is
used in production environments, you still should be cautious of it.
Here is a comprehensive list of changes in this release compared to 2.0.5
New features
- Support slot-based data migration (#430)
Biggest feature of this version, authentically makes kvrocks scalable,
user can use CLUSTERX MIGRATE command to migrate slot and use CLUSTERX
SETSLOT to change cluster slot distribution after finishing migration. - Make level0_file_num_compaction_trigger of RocksDB configurable (#455)
- Support CLUSTERX SETSLOT command (#463)
Improvements
- Support executing INFO command during restoring database (#375)
- Auto Rewrite the config after the namespace was updated (#423)
- Support to convert sortedint type to zset type in kvrocks2redis (#431)
- Optimize the seek of RocksDB iterators (#438)
- Make the bitmap range the same with that of Redis (#465)
- Support GET command on bitmap type (#447)
- Support to use row cache of RocksDB (#407)
Bug fixes
- Fix the parameter blob_garbage_collection_age_cutoff would be always zero (#425)
- Fix config rewrite overwrite the first rename-command with the last one (#429)
- Fix zrevrangebyscore for multi members with the same max score (#434)
- Fix data race in SetCurrentConnection (#440)
- Fix failing full replication when enabling slave-empty-db-before-fullsync (#446)
- Fix memory leak when full replication (#461)
Maybe leak dozen kilobytes per full replication - Fix the bitmap range is smaller than that of Redis (#465)