On 09/24/13 13:52, Gary Artim wrote:
> i did the following to setup a cgroup, but when I test "it" doesn't
> kill the pid, anyone get this working? must be missing
> something...program mallocs 32GB...much thanks for advise!
>
> ::install::
>
> yum install libcgroup-tools libcgroup
>
> ::config::
>
> cd /sys/fs/cgroup/memory
> mkdir alpha
> echo 4096000000 > alpha/memory.limit_in_bytes
> cat alpha/memory.limit_in_bytes
> change /etc/cgrules.conf add line:
> @users memory alpha/
> start: cgrulesengd
>
> ::test::
>
> check if pid is in alpha/tasks:
> cat /sys/fs/cgroup/memory/alpa/tasks
> run:
> cat > memlimit.c <<"END"
> #include <stdlib.h>
> #include <stdio.h>
> #define ONEGB 1073741824
> int main(void) {
> int i;
> for (i=0; i < 32; i++) {
> char *q = malloc(ONEGB);
> printf ("Malloced: %d / GB\n", (i+1));
> }
> sleep(9999999);
> }
> END
> gcc memlimit.c && ./a.out
>
Did you "man systemd.cgroup"? Do you have to do something to turn memory
accounting on to make this work (perhaps i
n/etc/cgrules.conf)? Have you tried setting up a.out as a service with the
appropriate MemoryLimit=bytes and/or
MemorySoftLimit=bytes settings set and then tried to run it as a service?
Kevin
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