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-15102 Lustre <p>The lnet_ni:ni_ping_count is currently reset on every (healthy) tx. We should only reset it when receiving a message over the NI. Taking net_lock 0 on every tx results in a performance loss for certain workloads.</p> LU-15102

Reset lnet_ni::ni_ping_count when rx is finalized, not tx

Bug Minor Resolved Fixed Chris Horn Chris Horn Thu, 14 Oct 2021 00:50:06 +0000 Sat, 20 Nov 2021 14:47:13 +0000 Sat, 20 Nov 2021 14:47:13 +0000 Lustre 2.15.0 0 2 <p>"Chris Horn &lt;chris.horn@hpe.com&gt;" uploaded a new patch: <a href="https://review.whamcloud.com/45235" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/45235</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-15102" title="Reset lnet_ni::ni_ping_count when rx is finalized, not tx" class="issue-link" data-issue-key="LU-15102"><del>LU-15102</del></a> lnet: Reset ni_ping_count only on receive<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 92d5da67c9148472e08d4a22f41110572881cd6f</p> <p>Attached <span class="nobr"><a href="https://jira.whamcloud.com/secure/attachment/41004/41004_LU-15102-test-results.xlsx" title="LU-15102-test-results.xlsx attached to LU-15102">LU-15102-test-results.xlsx^{<img class="rendericon" src="https://jira.whamcloud.com/images/icons/link_attachment_7.gif" height="7" width="7" align="absmiddle" alt="" border="0"/>}</a></span> showing 12.5% gain in 4k RPC/s and 11.3% gain in ping RPC/s</p> <p>"Oleg Drokin &lt;green@whamcloud.com&gt;" merged in patch <a href="https://review.whamcloud.com/45235/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/45235/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-15102" title="Reset lnet_ni::ni_ping_count when rx is finalized, not tx" class="issue-link" data-issue-key="LU-15102"><del>LU-15102</del></a> lnet: Reset ni_ping_count only on receive<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: 9cc0a5ff5fc8f45aa60cd0407ae9893d5c116ccd</p> <p>Landed for 2.15</p> Development Rank 1|i0276v: Rank (Obsolete) 9223372036854775807 Severity