Le vendredi 18 septembre 2015 à 14:14 +0200, Paweł Sadowski a écrit : > It might be worth checking how many threads you have in your system > (ps > -eL | wc -l). By default there is a limit of 32k (sysctl -q > kernel.pid_max). There is/was a bug in fork() > (https://lkml.org/lkml/2015/2/3/345) reporting ENOMEM when PID limit > is > reached. We hit a situation when OSD trying to create new thread was > killed and reports 'Cannot allocate memory' (12 OSD per node created > more than 32k threads). > Thanks ! For now I don't see more than 5k threads on nodes with 12 OSD, but maybe during recovery/backfilling ? _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
 |