-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 01/31/07 12:37, Jeff Davis wrote: > On Tue, 2007-01-30 at 20:44 -0800, David Fetter wrote: >> On Tue, Jan 30, 2007 at 04:43:14PM -0800, Richard Troy wrote: >>> On Tue, 30 Jan 2007, Mark Walker wrote: >>>> I don't know. My customers expect 24/7 reliability. They expect >>>> to be able to access their info anywhere in the world over a [snip] >> The OOM killer in Linux is, indeed, asinine. You can shut it off, >> though, and systems administrators worth their salt know this and do >> it as a matter of routine. If you have some strategy that doesn't >> involve those hangs as a consequence, I'm sure you can get an audience >> from the Linux kernel people and/or the FreeBSD ones. >> > > I know this is off-topic for this list, but is there a place I can get > some details about linux OOM killer, and the conditions that cause this > OS hang when you turn off the OOM killer? I'd like to really know what's > happening, and also know more about the OS hanging condition that you're > talking about. I'd also like to know how safe the "safe" settings really > are ( vm.overcommmit_memory=2 and vm.oom-kill=0? ). No, but I *can* tell you that it's easy to create swap *files* and enable them at a moment's notice. "man mkswap" tells you how to make them. Supposedly, the 2.6 kernels fixed any performance deficits to using swapfiles. > Right now I'm using FreeBSD (in a large part due to the Linux OOM > killer), but I have a different set of problems on FreeBSD. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) iD8DBQFFwObOS9HxQb37XmcRAmyvAJ9tpJN6EhWRoPEI62f5gF8q1URe7wCguq+X uw3xex5Jd+IbvhElAAofH2E= =pS5o -----END PGP SIGNATURE-----