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  1. Lustre
  2. LU-17422

unaligned DIO: use page pools

Details

    • Improvement
    • Resolution: Fixed
    • Minor
    • Lustre 2.16.0
    • None
    • None
    • 3
    • 9223372036854775807

    Description

      A significant portion of the time spent in unaligned DIO is spent in allocating buffers.  We should use page pools for this.

      This ticket will track the work required for that.

      Attachments

        Issue Links

          is related to

          Bug - A problem which impairs or prevents the functions of the product. LU-13802 New i/o path: Buffered i/o as DIO

          • Major - Major loss of function.
          • Open

          Improvement - An improvement or enhancement to an existing feature or task. LU-13805 i/o path: Unaligned direct i/o

          • Major - Major loss of function.
          • Open

          Improvement - An improvement or enhancement to an existing feature or task. LU-16724 generic page pool

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

          Activity

            [LU-17422] unaligned DIO: use page pools
            pjones Peter Jones added a comment -

            Seems to be all merged for 2.16

            pjones Peter Jones added a comment - Seems to be all merged for 2.16
            gerrit Gerrit Updater added a comment -

            "Oleg Drokin <green@whamcloud.com>" merged in patch https://review.whamcloud.com/c/fs/lustre-release/+/53670/
            Subject: LU-17422 clio: use page pools for UDIO/hybrid
            Project: fs/lustre-release
            Branch: master
            Current Patch Set:
            Commit: 985f49cf2e634a682d90c1a0548e7bbbbcb6a62d

            gerrit Gerrit Updater added a comment - "Oleg Drokin <green@whamcloud.com>" merged in patch https://review.whamcloud.com/c/fs/lustre-release/+/53670/ Subject: LU-17422 clio: use page pools for UDIO/hybrid Project: fs/lustre-release Branch: master Current Patch Set: Commit: 985f49cf2e634a682d90c1a0548e7bbbbcb6a62d
            gerrit Gerrit Updater added a comment -

            "Oleg Drokin <green@whamcloud.com>" merged in patch https://review.whamcloud.com/c/fs/lustre-release/+/53865/
            Subject: LU-17422 osc: Clear PageChecked on bounce pages
            Project: fs/lustre-release
            Branch: master
            Current Patch Set:
            Commit: e804112e34175d391c34e49f9bcac3c2930a2241

            gerrit Gerrit Updater added a comment - "Oleg Drokin <green@whamcloud.com>" merged in patch https://review.whamcloud.com/c/fs/lustre-release/+/53865/ Subject: LU-17422 osc: Clear PageChecked on bounce pages Project: fs/lustre-release Branch: master Current Patch Set: Commit: e804112e34175d391c34e49f9bcac3c2930a2241
            gerrit Gerrit Updater added a comment -

            "Oleg Drokin <green@whamcloud.com>" merged in patch https://review.whamcloud.com/c/fs/lustre-release/+/53669/
            Subject: LU-17422 obdclass: rename sptlrpc pool and move init
            Project: fs/lustre-release
            Branch: master
            Current Patch Set:
            Commit: a5db30ad971cb3bf2efd5f21306fc11f10e27e73

            gerrit Gerrit Updater added a comment - "Oleg Drokin <green@whamcloud.com>" merged in patch https://review.whamcloud.com/c/fs/lustre-release/+/53669/ Subject: LU-17422 obdclass: rename sptlrpc pool and move init Project: fs/lustre-release Branch: master Current Patch Set: Commit: a5db30ad971cb3bf2efd5f21306fc11f10e27e73
            gerrit Gerrit Updater added a comment -

            "Oleg Drokin <green@whamcloud.com>" merged in patch https://review.whamcloud.com/c/fs/lustre-release/+/53668/
            Subject: LU-17422 obdclass: rename ptlrpc_page_pool
            Project: fs/lustre-release
            Branch: master
            Current Patch Set:
            Commit: 77dde8d4c591a87c8e4581ed9082f471c73678cc

            gerrit Gerrit Updater added a comment - "Oleg Drokin <green@whamcloud.com>" merged in patch https://review.whamcloud.com/c/fs/lustre-release/+/53668/ Subject: LU-17422 obdclass: rename ptlrpc_page_pool Project: fs/lustre-release Branch: master Current Patch Set: Commit: 77dde8d4c591a87c8e4581ed9082f471c73678cc
            gerrit Gerrit Updater added a comment -

            "Oleg Drokin <green@whamcloud.com>" merged in patch https://review.whamcloud.com/c/fs/lustre-release/+/53667/
            Subject: LU-17422 obdclass: move page pools to obdclass
            Project: fs/lustre-release
            Branch: master
            Current Patch Set:
            Commit: f61a8c9f5fa4cebc40981fd1fb0fb9fd23e586ac

            gerrit Gerrit Updater added a comment - "Oleg Drokin <green@whamcloud.com>" merged in patch https://review.whamcloud.com/c/fs/lustre-release/+/53667/ Subject: LU-17422 obdclass: move page pools to obdclass Project: fs/lustre-release Branch: master Current Patch Set: Commit: f61a8c9f5fa4cebc40981fd1fb0fb9fd23e586ac
            gerrit Gerrit Updater added a comment -

            "Patrick Farrell <pfarrell@whamcloud.com>" uploaded a new patch: https://review.whamcloud.com/c/fs/lustre-release/+/53865
            Subject: LU-17422 osc: Clear PageChecked on bounce pages
            Project: fs/lustre-release
            Branch: master
            Current Patch Set: 1
            Commit: 5582abc557a8d7188bbb6fb2bc38585338f660b4

            gerrit Gerrit Updater added a comment - "Patrick Farrell <pfarrell@whamcloud.com>" uploaded a new patch: https://review.whamcloud.com/c/fs/lustre-release/+/53865 Subject: LU-17422 osc: Clear PageChecked on bounce pages Project: fs/lustre-release Branch: master Current Patch Set: 1 Commit: 5582abc557a8d7188bbb6fb2bc38585338f660b4
            gerrit Gerrit Updater added a comment -

            "Patrick Farrell <pfarrell@whamcloud.com>" uploaded a new patch: https://review.whamcloud.com/c/fs/lustre-release/+/53670
            Subject: LU-17422 clio: use page pools for UDIO/hybrid
            Project: fs/lustre-release
            Branch: master
            Current Patch Set: 1
            Commit: f13b0ee24320cd6e72f5a0a575ff92aae90c769b

            gerrit Gerrit Updater added a comment - "Patrick Farrell <pfarrell@whamcloud.com>" uploaded a new patch: https://review.whamcloud.com/c/fs/lustre-release/+/53670 Subject: LU-17422 clio: use page pools for UDIO/hybrid Project: fs/lustre-release Branch: master Current Patch Set: 1 Commit: f13b0ee24320cd6e72f5a0a575ff92aae90c769b
            gerrit Gerrit Updater added a comment -

            "Patrick Farrell <pfarrell@whamcloud.com>" uploaded a new patch: https://review.whamcloud.com/c/fs/lustre-release/+/53669
            Subject: LU-17422 obdclass: rename sptlrpc pool and move init
            Project: fs/lustre-release
            Branch: master
            Current Patch Set: 1
            Commit: 5d0af5fa4e03b380fe9b3ddce6072cb2137e7ffc

            gerrit Gerrit Updater added a comment - "Patrick Farrell <pfarrell@whamcloud.com>" uploaded a new patch: https://review.whamcloud.com/c/fs/lustre-release/+/53669 Subject: LU-17422 obdclass: rename sptlrpc pool and move init Project: fs/lustre-release Branch: master Current Patch Set: 1 Commit: 5d0af5fa4e03b380fe9b3ddce6072cb2137e7ffc
            gerrit Gerrit Updater added a comment -

            "Patrick Farrell <pfarrell@whamcloud.com>" uploaded a new patch: https://review.whamcloud.com/c/fs/lustre-release/+/53668
            Subject: LU-17422 obdclass: rename ptlrpc_page_pool
            Project: fs/lustre-release
            Branch: master
            Current Patch Set: 1
            Commit: 3301340539326aded9a4c5ef39677a616af9accf

            gerrit Gerrit Updater added a comment - "Patrick Farrell <pfarrell@whamcloud.com>" uploaded a new patch: https://review.whamcloud.com/c/fs/lustre-release/+/53668 Subject: LU-17422 obdclass: rename ptlrpc_page_pool Project: fs/lustre-release Branch: master Current Patch Set: 1 Commit: 3301340539326aded9a4c5ef39677a616af9accf

            People

              paf0186 Patrick Farrell
              paf0186 Patrick Farrell
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              Dates

                Created:
                Updated:
                Resolved: