Rajeshbabu Chintaguntla created HBASE-28438:
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Summary: Add support spitting region into multiple regions
Key: HBASE-28438
URL: https://issues.apache.org/jira/browse/HBASE-28438
Project: HBase
Issue Type: Improvement
Reporter: Rajeshbabu Chintaguntla
Assignee: Rajeshbabu Chintaguntla
We have a requirement of splitting one region into multiple hundreds of regions
at a time distribute load hot data. To do that we need split a region and wait
for the completion of it and then again split the two regions etc..which is
time consuming activity.
Would be better to support splitting region into multiple regions more than two
so that in single operation we can split the region.
Todo that we need to take care
1)Supporting admin APIs to take multiple split keys
2)Implement new procedure to create new regions, creating meta entries and
udpating them to meta
3) close the parent region and open split regions.
4) Update the compaction of post split and readers also to use the portion
store file reader based on the range to scan than half store reader.
5) make sure the catalog jonitor also cleaning the parent regions when there
are all the regions split properly.
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