[cfarm-users] Please check your memory usage on GCC117

Jeffrey Walton noloader at gmail.com
Sun Oct 13 15:32:48 CEST 2019

On Sun, Oct 13, 2019 at 9:31 AM Segher Boessenkool
<segher at kernel.crashing.org> wrote:
> On Sun, Oct 13, 2019 at 08:42:14AM -0400, Jeffrey Walton via cfarm-users wrote:
> > I'm catching a OOM exception while trying to compile a source file on GCC117:
> >
> > $ make
> > g++ -DNDEBUG -g2 -O3 -fPIC -pthread -pipe -c xts.cpp
> > virtual memory exhausted: Cannot allocate memory
> > GNUmakefile:1625: recipe for target 'xts.o' failed
> > make: *** [xts.o] Error 1
> >
> > GCC117 has 16GB of RAM but no virtual memory because there is no page
> > file. (If I am parsing an off-line conversation correctly). My guess
> > is the OS or someone's application has a memory leak.
> >
> > Please check their jobs and ensure things look OK.
> As I told you, this box has only 16GB, and no swap.  Only about half of
> memory is used, and not from automatic tests (I would ruthlessly kill
> those).
> Check your *own* job, it must have used 7GB or 8GB itself, making it the
> biggest job running on this shared machine.

My own job was a 'make' which tried to compile 1 c++ source file.

As I told you I seriously doubt it took up 8 GB of RAM.


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