Liyin Tang created HBASE-7267:
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Summary: [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 the the maxSequenceID among all the on-disk
hfiles.
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