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From "Nicolas Spiegelberg (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-5891) Change Compression Based on Type of Compaction
Date Fri, 27 Apr 2012 20:38:49 GMT
Nicolas Spiegelberg created HBASE-5891:

             Summary: Change Compression Based on Type of Compaction
                 Key: HBASE-5891
                 URL: https://issues.apache.org/jira/browse/HBASE-5891
             Project: HBase
          Issue Type: New Feature
            Reporter: Nicolas Spiegelberg
            Priority: Minor

We currently use LZO on our production systems because the on-demand decompression speed of
GZ is too slow.  That said, many of our major-compacted StoreFiles are infrequently read because
of lazy seek optimizations, but they occupy the majority of our disk space.  One idea is to
change the type of compression depending upon compaction characteristics (input size or major
compaction flag).  This would allow us to have our largest and least-read files be GZ compressed
and save space.

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