Esteban Gutierrez created HBASE-12950:
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Summary: Extend the truncate command to handle region ranges and
not just the whole table
Key: HBASE-12950
URL: https://issues.apache.org/jira/browse/HBASE-12950
Project: HBase
Issue Type: New Feature
Components: Region Assignment, regionserver, shell
Affects Versions: 2.0.0
Reporter: Esteban Gutierrez
We have seen many times during the last few years that when key prefixes are
time based and the access pattern only consists of writes to recent KVs we can
end up with tens of thousands of regions and some of those regions will not be
longer used. Even if users use TTLs and data is eventually deleted we still
have the old regions around and only performing an online merge can help to
reduce the excess of regions. Extending the truncate command to handle also
region ranges can help user that experience this issue to trim the old regions
if required.
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