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https://issues.apache.org/jira/browse/HBASE-10052?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14168521#comment-14168521
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Enis Soztutar commented on HBASE-10052:
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Unscheduling from branch-1 for now. Feel free to bring back if there is a patch.
> use HDFS advisory caching to avoid caching HFiles that are not going to be
> read again (because they are being compacted)
> ------------------------------------------------------------------------------------------------------------------------
>
> Key: HBASE-10052
> URL: https://issues.apache.org/jira/browse/HBASE-10052
> Project: HBase
> Issue Type: Improvement
> Reporter: Colin Patrick McCabe
> Priority: Minor
> Fix For: 2.0.0
>
>
> HBase can benefit from doing dropbehind during compaction since compacted
> files are not read again. HDFS advisory caching, introduced in HDFS-4817,
> can help here. The right API here is {{DataInputStream#setDropBehind}}.
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