Uploaded image for project: 'Hadoop HDFS'
  1. Hadoop HDFS
  2. HDFS-9577

ReadStatistics not thread safe when hedged read is enabled

    XMLWordPrintableJSON

Details

    • Bug
    • Status: Open
    • Major
    • Resolution: Unresolved
    • None
    • None
    • None
    • None

    Description

      When hedged read is enabled, the actual read will be called on the hedged thread pool which will also call updateReadStatistics. However, it seems ReadStatistics doesn't use atomic types for its metrics. xieliang007, can you please confirm?

      Attachments

        Issue Links

          relates to

          Sub-task - The sub-task of the issue HDFS-8905 Refactor DFSInputStream#ReaderStrategy

          • Major - Major loss of function.
          • Resolved

          Activity

            People

              Unassigned Unassigned
              mingma Ming Ma
              Votes:
              0 Vote for this issue
              Watchers:
              3 Start watching this issue

              Dates

                Created:
                Updated: