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Posted to dev@hbase.apache.org by "huginn (Jira)" <ji...@apache.org> on 2026/09/16 14:25:00 UTC

[jira] [Resolved] (HBASE-27049) Decrease memory copy when decompress data

     [ https://issues.apache.org/jira/browse/HBASE-27049?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

huginn resolved HBASE-27049.
----------------------------
    Resolution: Won't Do

> Decrease memory copy when decompress data
> -----------------------------------------
>
>                 Key: HBASE-27049
>                 URL: https://issues.apache.org/jira/browse/HBASE-27049
>             Project: HBase
>          Issue Type: Improvement
>          Components: regionserver
>            Reporter: chenfengge
>            Priority: Minor
>              Labels: pull-request-available
>
> HBase RegionServer use createDecompressionStream in class org.apache.hadoop.hbase.io.compress.Compression, which cause extra memory copy during decompression.We can offer interface for block decompression, like "void decompress(ByteBuff src, ByteBuff dst);", and offer default implementation for all algorithms.



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