Uploaded image for project: 'Hadoop HDFS'
  1. Hadoop HDFS
  2. HDFS-5027

On startup, DN should scan volumes in parallel

VotersWatch issueWatchersCreate sub-taskLinkCloneUpdate Comment AuthorReplace String in CommentUpdate Comment VisibilityDelete Comments
    XMLWordPrintableJSON

    Details

    • Type: Improvement
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 2.0.4-alpha
    • Fix Version/s: 2.1.0-beta
    • Component/s: datanode
    • Labels:
      None
    • Target Version/s:
    • Hadoop Flags:
      Reviewed

      Description

      On startup the DN must scan all replicas on all configured volumes before the initial block report to the NN. This is currently done serially, but can be done in parallel to improve startup time of the DN.

        Attachments

        1. HDFS-5027.patch
          3 kB
          Aaron Myers

        Issue Links

          Activity

            People

            • Assignee:
              atm Aaron Myers
              Reporter:
              atm Aaron Myers

              Dates

              • Created:
                Updated:
                Resolved:

                Issue deployment