https://jira.whamcloud.com This file is an XML representation of an issue en-us 9.4.14 940014 05-12-2023 https://jira.whamcloud.com/browse/LU-11296 Lustre <p>If client A writes a 100 GiB file, then client B attempts to read it, the cached PW lock on client A will be flushed together with page cache data. It can take 5-10 s just to complete that.</p> <p> </p> <p>We can speed up cache invalidation a bit.</p> LU-11296

page cache cleanup improvement on lock flush

Improvement Major Resolved Fixed Andrew Perepechko Andrew Perepechko patch Wed, 29 Aug 2018 18:43:38 +0000 Tue, 25 Feb 2020 16:45:57 +0000 Fri, 4 Jan 2019 05:08:46 +0000 Lustre 2.13.0 Lustre 2.12.3 0 3 <p>Andrew Perepechko (c17827@cray.com) uploaded a new patch: <a href="https://review.whamcloud.com/33090" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/33090</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-11296" title="page cache cleanup improvement on lock flush" class="issue-link" data-issue-key="LU-11296"><del>LU-11296</del></a> osc: speed up page cache cleanup during blocking ASTs<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 5f898137dbf5ab502271981d4c3d2a490dd1a7c9</p> <p>Have you looked into other kinds of speed ups (eg. new kernel APIs for managing multiple pages at once)?</p> <blockquote><p>Have you looked into other kinds of speed ups (eg. new kernel APIs for managing multiple pages at once)?</p></blockquote> <p>Patrick Farrell has a patch with such an optimization. It's currently under testing.</p> <p>Oleg Drokin (green@whamcloud.com) merged in patch <a href="https://review.whamcloud.com/33090/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/33090/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-11296" title="page cache cleanup improvement on lock flush" class="issue-link" data-issue-key="LU-11296"><del>LU-11296</del></a> osc: speed up page cache cleanup during blocking ASTs<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: b9ebb17277c78101018a0cf4a63f6beb93b9baf0</p> <p>Landed for 2.13</p> <p>Minh Diep (mdiep@whamcloud.com) uploaded a new patch: <a href="https://review.whamcloud.com/35831" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/35831</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-11296" title="page cache cleanup improvement on lock flush" class="issue-link" data-issue-key="LU-11296"><del>LU-11296</del></a> osc: speed up page cache cleanup during blocking ASTs<br/> Project: fs/lustre-release<br/> Branch: b2_12<br/> Current Patch Set: 1<br/> Commit: e21e7b5558aa0bb851e41dea9a4780eb4c45d4d1</p> <p>Oleg Drokin (green@whamcloud.com) merged in patch <a href="https://review.whamcloud.com/35831/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/35831/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-11296" title="page cache cleanup improvement on lock flush" class="issue-link" data-issue-key="LU-11296"><del>LU-11296</del></a> osc: speed up page cache cleanup during blocking ASTs<br/> Project: fs/lustre-release<br/> Branch: b2_12<br/> Current Patch Set: <br/> Commit: f8a55d95954a995126c5b3964400be8ca5eb8d66</p> <p>Alex Zhuravlev (bzzz@whamcloud.com) uploaded a new patch: <a href="https://review.whamcloud.com/37722" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/37722</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-11296" title="page cache cleanup improvement on lock flush" class="issue-link" data-issue-key="LU-11296"><del>LU-11296</del></a> ptlrpc: debugging for the assertion<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: d939c72a6c1e57f4cdaf0437afa6a98c912e132f</p> Related Development Rank 1|i001fr: Rank (Obsolete) 9223372036854775807