Uploaded image for project: 'Lustre'
  1. Lustre
  2. LU-13122

osd-zfs to use 8K blocksize for llog objects

    XMLWordPrintable

Details

    • Improvement
    • Resolution: Fixed
    • Minor
    • Lustre 2.14.0
    • None
    • None
    • 9223372036854775807

    Description

      with zfs 0.8+ default blocksize is 512 bytes, which turns into 16 dbufs to lookup/create for many llog operations.
      with 8K blocksize many llog-related tests improve a lot.
      for example sanity/60a takes 52s with 8K and 94s with 512 bytes.

      Attachments

        Issue Links

          is related to

          Task - A task that needs to be done. LU-12336 Update ZFS Version to 0.8.2

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Resolved

          Activity

            People

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

              Dates

                Created:
                Updated:
                Resolved: