Re: [gentoo-user] OOM memory issues

2014-09-18 Thread Rich Freeman
On Thu, Sep 18, 2014 at 12:27 PM, Kerin Millar wrote: > > The need for the OOM killer stems from the fact that memory can be > overcommitted. These articles may prove informative: > A big problem with Linux along these fronts is that we don't really have good mechanisms for prioritizing memory us

Re: [gentoo-user] OOM memory issues

2014-09-18 Thread Godzil
You could also disable the overcommitment so that an app that ask for too much memory will be denied (you know the possible NULL pointer malloc could return. With overcommit, it will never return NULL whatever the memory status is. Without this, all requested memory is really allocated, and mall

Re: [gentoo-user] OOM memory issues

2014-09-18 Thread Kerin Millar
On 18/09/2014 16:48, James wrote: Hello, Out Of Memory seems to invoke mysterious processes that kill such offending processes. OOM seems to be a common problem that pops up over and over again within the clustering communities. I would greatly appreciate (gentoo) illuminations on the OOM issu

[gentoo-user] OOM memory issues

2014-09-18 Thread James
Hello, Out Of Memory seems to invoke mysterious processes that kill such offending processes. OOM seems to be a common problem that pops up over and over again within the clustering communities. I would greatly appreciate (gentoo) illuminations on the OOM issues; both historically and for folks