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  1. HBase
  2. HBASE-10052

use HDFS advisory caching to avoid caching HFiles that are not going to be read again (because they are being compacted)

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    Details

    • Type: Improvement
    • Status: Open
    • Priority: Minor
    • Resolution: Unresolved
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: None
    • Labels:
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      Description

      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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              • Assignee:
                Unassigned
                Reporter:
                cmccabe Colin McCabe
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                • Created:
                  Updated: