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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HBASE-5891) Change Compression Based on Type of Compaction
Date Sat, 11 Apr 2015 01:30:15 GMT

     [ https://issues.apache.org/jira/browse/HBASE-5891?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrew Purtell resolved HBASE-5891.
-----------------------------------
    Resolution: Not A Problem

> 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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