>>> Benjamin Berg <[email protected]> schrieb am 30.09.2020 um 12:08 in Nachricht <[email protected]>: > On Wed, 2020-09-30 at 11:04 +0200, Ulrich Windl wrote: >> > > > Reindl Harald <[email protected]> schrieb am 30.09.2020 um 10:56 >> > > > in >> Nachricht <[email protected]>: >> >> > Am 30.09.20 um 09:06 schrieb Ulrich Windl: >> > > > my webserver is killed because it served at monday, tuesday, thursday >> > > > and friday 4 different files with 2 GB? >> > > >> > > cgroups is for limiting resources, not for killing processes AFAIK >> > >> > [Service] >> > MemoryMax=4G >> > >> > would call OOM killer >> >> Are you sure? I thought OOM is called when the _system_ memory is exhausted. >> IMHO any memory allocation request to the process will be denied, but the >> process wouldn't be killed. But agreed, I didn't track the cgroups changes > in >> the last few years. > > I think you can assume that the OOM killer will kick in rather than the > allocation request being denied. > > This option does cap the amount system memory that is used for the > cgroup. So if memory cannot be reclaimed (e.g. swapped out, file > backed) then the OOM killer will run within the cgroup.
OK, didn't know the OOM killer is cgroup-specific > > As I understand it, what Reindl is looking for is seeing and limiting > the amount of resident anonymous pages that the cgroup has rather than > its real memory use. > > Benjamin _______________________________________________ systemd-devel mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/systemd-devel
