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  1. Lustre
  2. LU-14146 Massive directory metadata operation performance decrease
  3. LU-6864

DNE3: Support multiple modify RPCs in flight for MDT-MDT connection

Details

    • 9223372036854775807

    Description

      This feature is a complement to the LU-5319 that implements the support of multiple modify RPCs in flight for MDC-MDT connection.

      It will improve the performance of modify metadata cross-MDT operations, while ensuring the correctness of recovery handling (request resend, and MDT recovery).

      Attachments

        1. mdtest-32kb-dom.png
          9 kB
          James A Simmons
        2. mdtest-32kb-ost.png
          9 kB
          James A Simmons
        3. mdtest-dir.png
          8 kB
          James A Simmons
        4. mdtest-zero-size.png
          8 kB
          James A Simmons

        Issue Links

          is related to

          Bug - A problem which impairs or prevents the functions of the product. LU-14761 DNE2 Metadata degradation

          • Major - Major loss of function.
          • Open

          Bug - A problem which impairs or prevents the functions of the product. LU-16065 replay-single test_81a: rm remote dir failed

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

          Bug - A problem which impairs or prevents the functions of the product. LU-16126 Lustre 2.15.51 mdtest fails with MPI_Abort errors while adjusting max_rpcs_in_progress and using large number of clients

          • Major - Major loss of function.
          • Resolved

          New Feature - A new feature of the product, which has yet to be developed. LU-5319 Support multiple slots per client in last_rcvd file

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

          Technical task - A technical task. LU-17821 LMR1c: Improve DNE Distributed Transaction Performance

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

          Improvement - An improvement or enhancement to an existing feature or task. LU-9436 DNE2 - performance improvement with wide stripping directory

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

          Improvement - An improvement or enhancement to an existing feature or task. LU-11999 DNE performance improvement

          • Critical - Crashes, loss of data, severe memory leak.
          • Resolved

          Improvement - An improvement or enhancement to an existing feature or task. LU-6753 Fix several minor improvements to multislots feature

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

          Improvement - An improvement or enhancement to an existing feature or task. LU-12125 Allow parallel rename of regular files

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

          Activity

            [LU-6864] DNE3: Support multiple modify RPCs in flight for MDT-MDT connection
            pjones Peter Jones made changes -
            Link New: This issue is related to LU-16126 [ LU-16126 ]
            adilger Andreas Dilger made changes -
            Link New: This issue is related to LU-16065 [ LU-16065 ]
            simmonsja James A Simmons made changes -
            Resolution New: Fixed [ 1 ]
            Status Original: Open [ 1 ] New: Resolved [ 5 ]
            adilger Andreas Dilger made changes -
            Link New: This issue is related to LU-14761 [ LU-14761 ]
            laisiyao Lai Siyao made changes -
            Parent New: LU-14146 [ 61738 ]
            Issue Type Original: Improvement [ 4 ] New: Technical task [ 7 ]
            adilger Andreas Dilger made changes -
            Link New: This issue is related to EX-4451 [ EX-4451 ]
            pjones Peter Jones made changes -
            Fix Version/s New: Lustre 2.16.0 [ 15190 ]
            Fix Version/s Original: Lustre 2.15.0 [ 14791 ]
            adilger Andreas Dilger made changes -
            Issue Type Original: New Feature [ 2 ] New: Improvement [ 4 ]
            simmonsja James A Simmons made changes -
            Attachment New: mdtest-32kb-dom.png [ 39074 ]
            simmonsja James A Simmons made changes -
            Attachment New: mdtest-32kb-ost.png [ 39073 ]

            People

              hongchao.zhang Hongchao Zhang
              pichong Gregoire Pichon
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              Dates

                Created:
                Updated:
                Resolved: