Uploaded image for project: 'Lustre'
  1. Lustre
  2. LU-11404

improve fsync() and fdatasync()

    XMLWordPrintable

Details

    • Improvement
    • Resolution: Fixed
    • Minor
    • Lustre 2.16.0
    • Upstream
    • None
    • 9223372036854775807

    Description

      workload like dd oflag=sync causes MDS_SYNC RPC on every write(2) syscall.

      given the only things we store on MDS are file itself and layout it should be enough to send MDS_SYNC once (to sync file creation) and once for every layout change.

       

      Attachments

        Activity

          People

            bzzz Alex Zhuravlev
            bzzz Alex Zhuravlev
            Votes:
            0 Vote for this issue
            Watchers:
            5 Start watching this issue

            Dates

              Created:
              Updated:
              Resolved: