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https://issues.apache.org/jira/browse/HBASE-8765?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sergey Shelukhin resolved HBASE-8765.
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Resolution: Invalid
> split should be based on store size, not HFile size
> ---------------------------------------------------
>
> Key: HBASE-8765
> URL: https://issues.apache.org/jira/browse/HBASE-8765
> Project: HBase
> Issue Type: Improvement
> Affects Versions: 0.95.1
> Reporter: Sergey Shelukhin
> Assignee: Sergey Shelukhin
> Fix For: 0.95.2
>
>
> I noticed that the current split behavior is rather suboptimal with regard to
> compactions. On large regions, HFile size limit triggers a split. Split is
> followed by major compaction to get rid of the partial reference files.
> However, HFile size limit is surpassed after compaction most of the time.
> So, first we rewrite a lot of data into a new file. Then we say "Oh look! A
> large file!", split the region and rewrite everything again.
> Perhaps region split should be based on store size, or incoming compaction
> size - large enough compaction should be converted into splits.
> Thoughts? I think basing off store size is a simple fix, and will code it up
> soon if there are no objections
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