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https://issues.apache.org/jira/browse/HBASE-7267?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Cosmin Lehene resolved HBASE-7267.
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Resolution: Invalid
[~liyin] closing for now. Please update if necessary
> [89-fb] Only create the dummy hfile for the compaction if necessary.
> --------------------------------------------------------------------
>
> Key: HBASE-7267
> URL: https://issues.apache.org/jira/browse/HBASE-7267
> Project: HBase
> Issue Type: Bug
> Reporter: Liyin Tang
>
> In HBASE-6059, it introduced a new behavior that the compaction would create
> the HFileWriter no mater whether there is any key/value as the output or not.
> This new behavior actually is conflicts with HBASE-5199 (Delete out of TTL
> store files before compaction selection) so that compacting the expired
> hfiles would generate one more expired hfiles.
> Actually we only needs to create the dummy hfile IFF the maxSequenceID among
> the compaction candidates is equal to the maxSequenceID among all the on-disk
> hfiles.
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