Several OSDs of one of our clusters are down currently because RAM usage
has increased during the last days. Now it is more than we can handle on
some systems. Frequently OSDs get killed by the OOM killer. Looking at
"ceph daemon osd.$OSD_ID dump_mempools", it shows that nearly all (about
8.5 GB) is taken by osd_pglog, e.g.
"osd_pglog": {
"items": 461859,
"bytes": 8445595868
},
We tried to reduce it, with "osd memory target" and even with "bluestore
cache autotune = false" (together with "bluestore cache size hdd"), but
there was no effect at all.
I remember the pglog_hardlimit parameter, but that is already set by
default with Nautilus I read. I.e. this is on Nautilus, 14.2.8.
Is there a way to limit this pglog memory?
Cheers
Harry
_______________________________________________
ceph-users mailing list -- ceph-users@xxxxxxx
To unsubscribe send an email to ceph-users-leave@xxxxxxx
