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  1. Lustre
  2. LU-884

Client In-Memory Data Checksum

Details

    • New Feature
    • Resolution: Fixed
    • Minor
    • Lustre 2.2.0, Lustre 2.3.0
    • None
    • None
    • 4670

    Description

      == requirements ==
      1. make mmap write work correctly
      2. balance the workload across CPUs - depends on multiple ptlrpcd implementation
      3. writeback support - depends on LU-848
      4. hash tree to accumulate pages checksum
      5. test program

      Attachments

        Issue Links

          is related to

          Bug - A problem which impairs or prevents the functions of the product. LU-1028 Bus error (core dumped) during fsx test

          • Blocker - Blocks development and/or testing work, production could not run.
          • Resolved
          Trackbacks

          [Confluence: Whamcloud Community Space] Changelog 2.2 version 2.2.0 Support for networks: o2iblnd OFED 1.5.4 Server support for kernels: 2.6.32220.4.2.el6 (RHEL6) Client support for unpatched kernels: 2.6.18274.18.1.el5 (RHEL5) 2.6.32220.4.2.el6 (RHEL6) 2.6.32.360....

          [Confluence: Whamcloud Community Space] Lustre 2.2 Lustre 2.2 is scheduled for release at the end of Q1 2012. This is its anticipated support matrix. Server Support \ Client Support \ RHEL 6, \ CentOS 6 \ RHEL 6, \ CentOS 6, \ RHEL 5, \ CentOS 5, \ SLES 11 ,...

          Activity

            [LU-884] Client In-Memory Data Checksum
            adilger Andreas Dilger made changes -
            Link New: This issue is duplicated by ORI-372 [ ORI-372 ]
            jlevi Jodi Levi (Inactive) made changes -
            Fix Version/s New: Lustre 2.3.0 [ 10117 ]
            pjones Peter Jones made changes -
            Issue Type Original: Task [ 3 ] New: New Feature [ 2 ]
            tappro Mikhail Pershin made changes -
            Link New: This issue is related to LU-1028 [ LU-1028 ]
            jay Jinshan Xiong (Inactive) made changes -
            Attachment Original: client-in-memory-perf-test.xlsx [ 10772 ]
            jay Jinshan Xiong (Inactive) made changes -
            Attachment New: SMP Scaling Client Checksum SOW.pdf [ 10770 ]
            Attachment New: ClientInMemoryChecksumDesignDocumentv2.docx.pdf [ 10771 ]
            Attachment New: client-in-memory-perf-test.xlsx [ 10772 ]
            pjones Peter Jones made changes -
            Fix Version/s New: Lustre 2.2.0 [ 10082 ]
            Resolution New: Fixed [ 1 ]
            Status Original: Open [ 1 ] New: Resolved [ 5 ]
            jay Jinshan Xiong (Inactive) made changes -
            Attachment New: client-in-memory.xlsx [ 10677 ]
            jay Jinshan Xiong (Inactive) made changes -
            Assignee Original: Robert Read [ rread ] New: Jinshan Xiong [ jay ]
            jay Jinshan Xiong (Inactive) created issue -

            People

              jay Jinshan Xiong (Inactive)
              jay Jinshan Xiong (Inactive)
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              Dates

                Created:
                Updated:
                Resolved: