Hadoop HDFS
  1. Hadoop HDFS
  2. HDFS-2744

Extend FSDataInputStream to allow fadvise

    Details

    • Type: Improvement Improvement
    • Status: Open
    • Priority: Major Major
    • Resolution: Unresolved
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: hdfs-client
    • Labels:

      Description

      Now that we have direct reads from local HDFS block files (HDFS-2246), it might make sense to make FSDataInputStream support fadvise calls. I have an application (HBase) that would like to tell the OS that it should not buffer data in the OS buffer cache.

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            • Assignee:
              dhruba borthakur
              Reporter:
              dhruba borthakur
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              • Created:
                Updated:

                Development