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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

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    • 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).

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        1. mdtest-32kb-dom.png
          mdtest-32kb-dom.png
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        2. mdtest-32kb-ost.png
          mdtest-32kb-ost.png
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        3. mdtest-dir.png
          mdtest-dir.png
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        4. mdtest-zero-size.png
          mdtest-zero-size.png
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        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

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            People

              hongchao.zhang Hongchao Zhang
              pichong Gregoire Pichon
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              Dates

                Created:
                Updated:
                Resolved: