Whamcloud Community JIRA https://jira.whamcloud.com This file is an XML representation of an issue en-us 9.4.14 940014 05-12-2023 [LU-1963] Incorrect accounting for srv_hpreq_ratio https://jira.whamcloud.com/browse/LU-1963 Lustre <p>Allow one thread to ignore srv_hpreq_ratio and thus always handle HP requests.</p> LU-1963 Incorrect accounting for srv_hpreq_ratio Bug Minor Resolved Fixed Keith Mannthey Andriy Skulysh Mon, 17 Sep 2012 06:04:08 +0000 Wed, 21 Nov 2012 16:28:12 +0000 Sun, 7 Oct 2012 07:23:56 +0000 Lustre 2.4.0 0 2 <p>PATCH: <a href="http://review.whamcloud.com/4008" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/4008</a></p> <p>Xyratex <a href="http://jira-nss.xy01.xyratex.com:8080/browse/MRP-661" class="external-link" target="_blank" rel="nofollow noopener">MRP-661</a></p> <p>If all threads are blocked (e.g. waiting for lock callbacks) except for the one remaining HP thread, then the hpreq_ratio mechanism will prevent more than <em>ratio</em> HP rpc's from being handled, thus preventing this last thread from doing anything.<br/> This absolutely is <em>not</em> a minor issue; it will completely stall your server.</p> <p>Landed for 2.4</p> Development Rank 1|hzv5cv: Rank (Obsolete) 4402 Severity