Uploaded image for project: 'Hadoop Map/Reduce'
  1. Hadoop Map/Reduce
  2. MAPREDUCE-1823

Reduce the number of calls of HarFileSystem.getFileStatus in RaidNode

    Details

    • Type: Improvement
    • Status: Open
    • Priority: Major
    • Resolution: Unresolved
    • Affects Version/s: 0.22.0
    • Fix Version/s: None
    • Component/s: None
    • Labels:
      None

      Description

      RaidNode makes lots of calls of HarFileSystem.getFileStatus. This method fetches information from DataNode so it is slow. It becomes the bottleneck of the RaidNode. It will be nice if we can make this more efficient.

        Attachments

          Activity

            People

            • Assignee:
              schen Scott Chen
              Reporter:
              schen Scott Chen
            • Votes:
              0 Vote for this issue
              Watchers:
              4 Start watching this issue

              Dates

              • Created:
                Updated: