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https://issues.apache.org/jira/browse/HBASE-7763?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13572946#comment-13572946
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Elliott Clark commented on HBASE-7763:
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bq.Although maybe this is not a big deal to change, maybe someone else can
comment.
Bulk loaded files break this contract pretty badly. (So maybe size based
sorting should be used only for stores containing bulk loaded files) But it
does seem like something that would need to be discussed first.
bq.Any particular reason to run two iterations of selection?
To have behave something more like a recursive en queued compaction.
> Compactions not sorting based on size anymore.
> ----------------------------------------------
>
> Key: HBASE-7763
> URL: https://issues.apache.org/jira/browse/HBASE-7763
> Project: HBase
> Issue Type: Bug
> Components: Compaction
> Affects Versions: 0.96.0, 0.94.4
> Reporter: Elliott Clark
> Assignee: Elliott Clark
> Priority: Critical
> Fix For: 0.96.0, 0.94.6
>
> Attachments: HBASE-7763-trunk-TESTING.patch,
> HBASE-7763-trunk-TESTING.patch, HBASE-7763-trunk-TESTING.patch
>
>
> Currently compaction selection is not sorting based on size. This causes
> selection to choose larger files to re-write than are needed when bulk loads
> are involved.
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