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-2996 Lustre <p>Under tha heavy memory pressure, client doesn't response in a timely manner, but even system goes to be back normal, a lot of call traces that caused by ptlrpc. Attached are client's syslog and stack trace after we got crashdump.</p> Lustre-1.8.8, CentOS6.1 LU-2996

ptlrpc doesn't response under the heavy memory pressure

Bug Minor Resolved Incomplete Emoly Liu Shuichi Ihara Wed, 20 Mar 2013 23:14:03 +0000 Fri, 11 Mar 2016 01:31:24 +0000 Fri, 11 Mar 2016 01:31:24 +0000 0 5 <p>Hi Emoly</p> <p>Could you please help with this issue?</p> <p>Thanks</p> <p>Peter</p> <p>OK, I will check the logs.</p> <p>From the log we can see that there were two lustre file systems mounted on this client node and each lustre filesystem had tens of OSTs at least. During the log time, the client node (lustre client) was restarted five times.</p> <p>Ihara, to understand the issue clearly, could you please introduce more details about the system environment and related operations? Thanks. </p> <p>Emoly, </p> <p>yes, two Lustre filesystem are mounted<br/> and some heavey memory pressure application were running on this client and client get OOM, the rebooted.</p> <p>Emoly, any updates?</p> <p>Hello Ihara,</p> <p>This ticket has become very old &#8211; do you need any more work on it or may we mark it as resolved?</p> <p>Many thanks,<br/> ~ jfc.</p> <p>Resolving as incomplete.<br/> ~ jfc.</p> Development Rank 1|hzvlsf: Rank (Obsolete) 7306 Severity