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-13786 Lustre <p>Trying to investigate an idea that client side locks are not needed for direct i/o, formally, there is no client cache to protect, and client locks are expanded at server to the maximum extent while server-side locks are not (part of lock-ahead patch).</p> <p>The improvement was initially implemented for Luste-1.8 (<a href="https://bugzilla.lustre.org/show_bug.cgi?id=18801" class="external-link" target="_blank" rel="nofollow noopener">https://bugzilla.lustre.org/show_bug.cgi?id=18801</a>) and lost during client re-write (CLIO).</p> LU-13786

Take server-side locks for direct i/o

Improvement Major Closed Duplicate WC Triage Alexander Zarochentsev Tue, 14 Jul 2020 16:13:38 +0000 Wed, 15 Jul 2020 07:12:29 +0000 Wed, 15 Jul 2020 07:11:52 +0000 0 2 <p>Alexander Zarochentsev (alexander.zarochentsev@hpe.com) uploaded a new patch: <a href="https://review.whamcloud.com/39363" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/39363</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-13786" title="Take server-side locks for direct i/o" class="issue-link" data-issue-key="LU-13786"><del>LU-13786</del></a> osc: server locks for direct i/o<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 0a6e5c948c95ba55cd66ae00f67a7517e0cc40e5</p> <p>Closing as a dup of <a href="https://jira.whamcloud.com/browse/LU-4198" title="Improve IO performance when using DIRECT IO using libaio" class="issue-link" data-issue-key="LU-4198"><del>LU-4198</del></a>. </p> Duplicate LU-4198 Related LU-12916 Bugzilla ID 18801.0 Development Rank 1|i0155b: Rank (Obsolete) 9223372036854775807 Severity