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-10990 Lustre <p>max_dirty_mb is an ages old kludge we had to ensure faster flushing that avoided various timeouts, limits on memory consumption and limits on data lost should the ost run out of space.</p> <p>All of those now have proper mechanisms: we have grants to ensure nothing runs out of space, we have per-node dirty and clean pages limits and we have lock prolongation for active IO.</p> <p>As such I believe we no longer need the max_dirty_mb</p> LU-10990

Get rid of per-osc max_dirty_mb setting

Improvement Minor Resolved Fixed Oleg Drokin Oleg Drokin Wed, 2 May 2018 16:27:45 +0000 Mon, 23 Jul 2018 04:54:04 +0000 Wed, 18 Jul 2018 12:41:18 +0000 Lustre 2.12.0 0 4 <p>Oleg Drokin (oleg.drokin@intel.com) uploaded a new patch: <a href="https://review.whamcloud.com/32252" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/32252</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-10990" title="Get rid of per-osc max_dirty_mb setting" class="issue-link" data-issue-key="LU-10990"><del>LU-10990</del></a> osc: Get rid of max_dirty_mb<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 367092b3d8716ab2bc870a20ac8985403e160484</p> <p>Oleg Drokin (oleg.drokin@intel.com) uploaded a new patch: <a href="https://review.whamcloud.com/32288" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/32288</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-10990" title="Get rid of per-osc max_dirty_mb setting" class="issue-link" data-issue-key="LU-10990"><del>LU-10990</del></a> osc: increase default max_dirty_mb to 1G<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 64bcc00c140c46462fb6536423a1b7c0c619c49e</p> <p>Oleg Drokin (green@whamcloud.com) merged in patch <a href="https://review.whamcloud.com/32288/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/32288/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-10990" title="Get rid of per-osc max_dirty_mb setting" class="issue-link" data-issue-key="LU-10990"><del>LU-10990</del></a> osc: increase default max_dirty_mb to 2G<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: 92e2b514e06ca2cd8c83e7439e206a629ba508f2</p> <p>Landed for 2.12</p> Related LU-8708 LU-11157 Development Rank 1|hzzwpb: Rank (Obsolete) 9223372036854775807