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https://issues.apache.org/jira/browse/HBASE-27323?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17584242#comment-17584242
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Bryan Beaudreault commented on HBASE-27323:
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Is this different from setting one of COMPRESSION_COMPACT,
COMPRESSION_COMPACT_MAJOR, COMPRESSION_COMPACT_MINOR?
> Support to take the initiative to compact cold large files and compression
> diff hfiles after changing storefile compression algrithm
> -------------------------------------------------------------------------------------------------------------------------------------
>
> Key: HBASE-27323
> URL: https://issues.apache.org/jira/browse/HBASE-27323
> Project: HBase
> Issue Type: Improvement
> Components: Compaction
> Affects Versions: 3.0.0-alpha-3, 2.4.13
> Reporter: Xiaolin Ha
> Priority: Major
> Fix For: 2.6.0, 3.0.0-alpha-4
>
>
> We can set switch to enable this feature, to make the compression algrithm
> changes be applied to all the existing store files, especially when we make a
> lower space usage compression algrithm change, e.g. from LZO to ZSTD can save
> more than 30% spaces.
> All the compaction policies should support this feature.
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