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https://issues.apache.org/jira/browse/HBASE-8423?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13641037#comment-13641037
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Nicolas Spiegelberg commented on HBASE-8423:
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Currently deploying this to dark launch to understand get latency increase.
> Allow Major Compaction to Use Different Compression
> ---------------------------------------------------
>
> Key: HBASE-8423
> URL: https://issues.apache.org/jira/browse/HBASE-8423
> Project: HBase
> Issue Type: Improvement
> Reporter: Nicolas Spiegelberg
> Priority: Minor
> Labels: compaction, regionserver
>
> For the Messages use case, ~90% of the disk util is associated with major
> compacted files but less than 33% of the get IOPS are due to mc files.
> Allowing a different compaction algorithm for major compacted files will
> allow us to get ~30% disk savings. Latency should be higher, but storefile
> querying is sequential, so only 1/3 of the get latency is from disk access to
> these files.
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