Zheng Wang created HBASE-24664: ---------------------------------- Summary: Some changing of split region by overall region size rather than only one store size Key: HBASE-24664 URL: https://issues.apache.org/jira/browse/HBASE-24664 Project: HBase Issue Type: Improvement Components: regionserver Reporter: Zheng Wang Assignee: Zheng Wang
As a distributed cluster, HBase distribute loads in unit of region, so if region grows too big, it will bring some negative effects, such as: 1. Harder to homogenize disk usage(consider locality) 2. Might cost more time on region opening 3. After split, the daughter region might lead to more io cost on compaction in a short time(if write evenly) HBASE-24530 introduced a new SteppingAllStoresSizeSplitPolicy, and as discussed in its comments and related [thread|[https://lists.apache.org/thread.html/r08a8103e2532eb667a0fcb4efa8a4117b3f82e6251bc4bd0bc157c26%40%3Cdev.hbase.apache.org%3E]], we should do follow-on tasks in this new issue. 1. Set SteppingAllStoresSizeSplitPolicy as default 2. Mark SteppingSplitPolicy and IncreasingToUpperBoundRegionSplitPolicy.java as deprecated 3. Fix ConstantSizeRegionSplitPolicy to split region by overall region size also -- This message was sent by Atlassian Jira (v8.3.4#803005)