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-12924 Lustre <p>Using large capacity OST targets, we frequently increase <tt>obdfilter.&#42;.precreate_batch</tt> since this appears to improve mdtest benchmark results.</p> <p>Currently the <tt>obdfilter.&#42;.precreate_batch</tt> values scale somewhat for small capacity OST targets; from 8 (&lt;=1GB OST) to 128 (larger OSTs). However max value of 128 has not changed in several years. mdest benchmarks suggest larger capacity OST targets (e.g. 512T) would benefit from a <tt>precreate_batch</tt> value of 256 or larger.</p> LU-12924

scale precreate_batch for larger OSTs

Improvement Minor Open Unresolved WC Triage Andreas Dilger performance Fri, 1 Nov 2019 00:12:49 +0000 Fri, 1 Nov 2019 00:23:37 +0000 0 4 <p>Andreas Dilger (adilger@whamcloud.com) uploaded a new patch: <a href="https://review.whamcloud.com/36637" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/36637</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-12924" title="scale precreate_batch for larger OSTs" class="issue-link" data-issue-key="LU-12924">LU-12924</a> ofd: scale ofd.precreate_batch with OST size<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 4ef8830155a4a9ce8b3067ca32b94b95f634bffa</p> Duplicate Related Development Rank 1|i00ov3: Rank (Obsolete) 9223372036854775807