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https://issues.apache.org/jira/browse/HBASE-7902?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sergey Shelukhin updated HBASE-7902:
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Attachment: HBASE-7902-v0-with-7843.patch
HBASE-7902-v0.patch
Patch is be based on HBASE-7843, as the mechanism to propagate the flag will
have to be different before and after that, no sense to redo it twice.
Attaching the actual patch and the combined patch Apache will be able to apply.
The patch changes ScanType semantics and names for compaction to be more
precise, and changes policy to set it based on whether we go from the oldest
file. Piggybacked on existing test to verify.
> deletes may be removed during minor compaction, depending on file set
> ---------------------------------------------------------------------
>
> Key: HBASE-7902
> URL: https://issues.apache.org/jira/browse/HBASE-7902
> Project: HBase
> Issue Type: Improvement
> Components: Compaction
> Reporter: Sergey Shelukhin
> Assignee: Sergey Shelukhin
> Priority: Minor
> Attachments: HBASE-7902-v0.patch, HBASE-7902-v0-with-7843.patch
>
>
> Deletes are only removed during major compaction now. However, in presence of
> file ordering, deletes can be removed during minor compaction too, as long as
> there's no file that is not being compacted that is older than the files that
> are.
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