Uploaded image for project: 'Hadoop HDFS'
  1. Hadoop HDFS
  2. HDFS-8617

Throttle DiskChecker#checkDirs() speed.

    XMLWordPrintableJSON

    Details

    • Type: Improvement
    • Status: Resolved
    • Priority: Major
    • Resolution: Duplicate
    • Affects Version/s: 2.7.0
    • Fix Version/s: 2.9.0, 3.0.0-beta1
    • Component/s: datanode
    • Labels:
      None
    • Target Version/s:

      Description

      As described in HDFS-8564, DiskChecker.checkDirs(finalizedDir) is causing excessive I/Os because finalizedDirs might have up to 64K sub-directories (HDFS-6482).

      This patch proposes to limit the rate of IO operations in DiskChecker.checkDirs().

        Attachments

        1. HDFS-8617.000.patch
          16 kB
          Lei (Eddy) Xu

          Issue Links

            Activity

              People

              • Assignee:
                eddyxu Lei (Eddy) Xu
                Reporter:
                eddyxu Lei (Eddy) Xu
              • Votes:
                0 Vote for this issue
                Watchers:
                10 Start watching this issue

                Dates

                • Created:
                  Updated:
                  Resolved: