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https://issues.apache.org/jira/browse/HBASE-11195?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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churro morales updated HBASE-11195:
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Attachment: HBASE-11195-0.98.patch
HBASE-11195.patch
The trunk patch also works for hbase-1x. Attached a 98 patch too
> Potentially improve block locality during major compaction for old regions
> --------------------------------------------------------------------------
>
> Key: HBASE-11195
> URL: https://issues.apache.org/jira/browse/HBASE-11195
> Project: HBase
> Issue Type: Improvement
> Affects Versions: 1.0.0, 2.0.0, 0.94.26, 0.98.10
> Reporter: churro morales
> Assignee: churro morales
> Attachments: HBASE-11195-0.94.patch, HBASE-11195-0.98.patch,
> HBASE-11195.patch
>
>
> This might be a specific use case. But we have some regions which are no
> longer written to (due to the key). Those regions have 1 store file and they
> are very old, they haven't been written to in a while. We still use these
> regions to read from so locality would be nice.
> I propose putting a configuration option: something like
> hbase.hstore.min.locality.to.skip.major.compact [between 0 and 1]
> such that you can decide whether or not to skip major compaction for an old
> region with a single store file.
> I'll attach a patch, let me know what you guys think.
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