Whamcloud Community JIRA

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9.4.14

940014

05-12-2023

[LU-14008] avoid data copy with immediate message sending. https://jira.whamcloud.com/browse/LU-14008 Lustre <p>memcpy used in o2ib LND to avoid RDMA transfer for the payload size less than 4k.<br/> But that is not a requirements for CX4 card and likely other.<br/> Lets avoid it.</p> LU-14008

avoid data copy with immediate message sending.

Bug Major Resolved Fixed Alexey Lyashkov Alexey Lyashkov Sat, 3 Oct 2020 14:30:44 +0000 Mon, 29 Jan 2024 08:55:35 +0000 Mon, 7 Feb 2022 14:56:28 +0000 Lustre 2.15.0 0 3 <p>Hello,</p> <p>Is this issue related to <a href="https://jira.whamcloud.com/browse/LU-13976" title="duplicate IB_WR_LOCAL_INV causing ice driver failure (RoCE/iWarp)" class="issue-link" data-issue-key="LU-13976"><del>LU-13976</del></a>?</p> <p>no. it's improvement.</p> <p>Alexey Lyashkov (alexey.lyashkov@hpe.com) uploaded a new patch: <a href="https://review.whamcloud.com/40260" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/40260</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-14008" title="avoid data copy with immediate message sending." class="issue-link" data-issue-key="LU-14008"><del>LU-14008</del></a> o2ib: cleanup<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 54a496f238420b14d6396a3738b2fcbdd0b4ff91</p> <p>Alexey Lyashkov (alexey.lyashkov@hpe.com) uploaded a new patch: <a href="https://review.whamcloud.com/40261" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/40261</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-14008" title="avoid data copy with immediate message sending." class="issue-link" data-issue-key="LU-14008"><del>LU-14008</del></a> o2iblnd: avoid static allocation for msg tx<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: f0817f36ebdf2cb56505fe33670821df775dd344</p> <p>Alexey Lyashkov (alexey.lyashkov@hpe.com) uploaded a new patch: <a href="https://review.whamcloud.com/40262" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/40262</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-14008" title="avoid data copy with immediate message sending." class="issue-link" data-issue-key="LU-14008"><del>LU-14008</del></a> o2ib: avoid memory copy for short msg<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 6605d704dd4e919e9eb75ad16cab23e90e21ba8e</p> <p>"Oleg Drokin <green@whamcloud.com>" merged in patch <a href="https://review.whamcloud.com/40260/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/40260/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-14008" title="avoid data copy with immediate message sending." class="issue-link" data-issue-key="LU-14008"><del>LU-14008</del></a> o2iblnd: cleanup<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: 3916b9d7226ebb21cf413dd7685afa693e243513</p> <p>"Oleg Drokin <green@whamcloud.com>" merged in patch <a href="https://review.whamcloud.com/40261/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/40261/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-14008" title="avoid data copy with immediate message sending." class="issue-link" data-issue-key="LU-14008"><del>LU-14008</del></a> o2iblnd: avoid static allocation for msg tx<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: 7d12b98d3f8294ca0911ca730aacd07a0f822298</p> <p>"Oleg Drokin <green@whamcloud.com>" merged in patch <a href="https://review.whamcloud.com/40262/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/40262/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-14008" title="avoid data copy with immediate message sending." class="issue-link" data-issue-key="LU-14008"><del>LU-14008</del></a> o2iblnd: avoid memory copy for short msg<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: bebd87cc6c9acc577a2fdde56e856075094f1291</p> <p>Landed for 2.15</p> Related Development Rank 1|i01bfz: Rank (Obsolete) 9223372036854775807 Severity