Funny concidence, I was just reading up a blog post on postgres an OOM killer. http://gentooexperimental.org/~patrick/weblog/archives/2011-04.html#e2011-04-20T21_58_37.txt Hope this helps. 2011/4/21 Tory M Blue <tmblue@xxxxxxxxx>: > Is there anyone that could help me understand why all of a sudden with > no noticeable change in data, no change in hardware, no change in OS, > I'm seeing postmaster getting killed by oom_killer? > > The dmesg shows that swap has not been touched free and total are the > same, so this system is not running out of total memory per say. > > I keep thinking it's something to do with lowmem vs highmem 32bit vs > 64 bit, but again no changes and I'm getting hit nightly on 2 > different servers (running slon, so switched over and same thing, even > disabled memory over commit and still got nailed. > > Is there anyone familiar with this or could take a look at the dmesg > output (off list) and decipher it for me? > > this is a Fedora 12 system, 2.6.32.23-170. I've been reading and > appears this is yet another fedora bug, but so far I have not found > any concrete evidence on how to fix it. > > Fedora 12 > 32gig memory, 8 proc > postgres 8.4.4, slony 1.20 > 5 gigs of swap (never hit it!) > > Thanks > Tory > > -- > Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) > To make changes to your subscription: > http://www.postgresql.org/mailpref/pgsql-performance > -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance