Uploaded image for project: 'Hadoop Common'
  1. Hadoop Common
  2. HADOOP-15450

Avoid fsync storm triggered by DiskChecker and handle disk full situation

    XMLWordPrintableJSON

Details

    • Bug
    • Status: Resolved
    • Blocker
    • Resolution: Fixed
    • None
    • 3.1.0, 2.10.0, 3.2.0, 3.1.1, 2.9.2, 3.0.3, 2.8.5
    • None
    • None

    Description

      Fix disk checker issues reported by kihwal in HADOOP-13738

      There are non-hdfs users of DiskChecker, who use it proactively, not just on failures. This was fine before, but now it incurs heavy I/O due to introduction of fsync() in the code.

      Attachments

        1. HADOOP-15450.01.patch
          6 kB
          Arpit Agarwal
        2. HADOOP-15450.02.patch
          13 kB
          Arpit Agarwal

        Issue Links

          Activity

            People

              arp Arpit Agarwal
              kihwal Kihwal Lee
              Votes:
              0 Vote for this issue
              Watchers:
              17 Start watching this issue

              Dates

                Created:
                Updated:
                Resolved: