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-15529 Lustre <p>currently directory migration locks all stripes of parent directory, it can be changed to lock source and target parent stripe only, and with the first change in <a href="https://jira.whamcloud.com/browse/LU-15526" title="PDO lock for object on remote MDT" class="issue-link" data-issue-key="LU-15526"><del>LU-15526</del></a>, the lock conflicts can be largely reduced, this can improve directory migration/restripe/auto split performance.</p> LU-15529

optimize directory migration parent locking

Technical task LU-14146 Minor Resolved Fixed Lai Siyao Lai Siyao Mon, 7 Feb 2022 13:23:28 +0000 Wed, 24 May 2023 15:22:30 +0000 Fri, 12 May 2023 14:00:03 +0000 Lustre 2.16.0 0 4 <p>patch is on <a href="https://review.whamcloud.com/#/c/40891/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/#/c/40891/</a></p> <p>"Oleg Drokin &lt;green@whamcloud.com&gt;" merged in patch <a href="https://review.whamcloud.com/c/fs/lustre-release/+/40891/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/c/fs/lustre-release/+/40891/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-15529" title="optimize directory migration parent locking" class="issue-link" data-issue-key="LU-15529"><del>LU-15529</del></a> mdt: optimize dir migration locking<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: 1d6b96a1cf0468bc81949960aa649cde8f927008</p> <p>Landed for 2.16</p> <p>started to hit an error during sanityn using clean master branch:</p> <div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent"> <pre class="code-java"> == sanityn test complete, duration 197 sec =============== 19:33:43 (1684870423) rm: cannot remove <span class="code-quote">'/mnt/lustre/d80b.sanityn/migrate_dir'</span>: Directory not empty </pre> </div></div> <p>bisection:</p> <div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent"> <pre class="code-java"> COMMIT TESTED PASSED FAILED COMMIT DESCRIPTION 1d6b96a1cf 1 0 1 BAD LU-15529 mdt: optimize dir migration locking c2e5181fe1 10 10 0 GOOD LU-16221 build: modify kmodtool <span class="code-keyword">for</span> rhel9 </pre> </div></div> <p>I'm looking into it.</p> <p>the good thing is that sanityn/80b seem to be working well now.</p> Related Development Rank 1|i02hif: Rank (Obsolete) 9223372036854775807