Hi, On 23 May 2018 at 11:48, Even Rouault <even.roua...@spatialys.com> wrote:
> > There are some hints to how this could be done: > https://github.com/dotnet/coreclr/blob/master/src/gc/unix/cgroup.cpp > https://stackoverflow.com/questions/42187085/check-mem- > limit-within-a-docker-container > > I just tried > > $ docker run --memory 512m --rm -it ubuntu bash > > root@0ae673d96789:/# cat /sys/fs/cgroup/memory/memory.limit_in_bytes > 536870912 > > Can you check in your docker container that > cat /sys/fs/cgroup/memory/memory.limit_in_bytes > returns the maximum memory amount you specified ? > Was just posting the same thing. Yes, that approach works, and that's how the JVM does it now ( https://bugs.openjdk.java.net/browse/JDK-8170888), and others. If there's no memory limit set you get (on 64-bit linux) 9223372036854771712, currently recommendation is to take the minimum of the total system memory (eg. /proc/meminfo) and the cgroups memory.limit_in_bytes Rob :)
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