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.

        Issue Links

          Activity

          dhruba borthakur created issue -
          Harsh J made changes -
          Field Original Value New Value
          Labels performance
          Jeff Hammerbacher made changes -
          Link This issue relates to HDFS-3228 [ HDFS-3228 ]

            People

            • Assignee:
              dhruba borthakur
              Reporter:
              dhruba borthakur
            • Votes:
              0 Vote for this issue
              Watchers:
              12 Start watching this issue

              Dates

              • Created:
                Updated:

                Development