On Sun, Jun 09, 2019 at 08:12:29PM +0300, Amir Goldstein wrote: > For the t_open_tmpfiles tests that run multiple jobs in parallel, > limit ourselves to half of file-max for all jobs combined, > so that we don't OOM the test machine. > > Signed-off-by: Amir Goldstein <amir73il@xxxxxxxxx> LGTM ... Reviewed-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx> --D > --- > > Eryu, > > Reducing max allowed file by factor of 2 wasn't good enough for the > multi jobs variants of the tests. They still OOM mytest machine > (with 2GB RAM). > > Thanks, > Amir. > > tests/generic/531 | 4 ++-- > tests/xfs/502 | 4 ++-- > 2 files changed, 4 insertions(+), 4 deletions(-) > > diff --git a/tests/generic/531 b/tests/generic/531 > index 8ce4cc93..ea77eec2 100755 > --- a/tests/generic/531 > +++ b/tests/generic/531 > @@ -41,10 +41,10 @@ _scratch_mount > # Try to load up all the CPUs, two threads per CPU. > nr_cpus=$(( $(getconf _NPROCESSORS_ONLN) * 2 )) > > -# Set ULIMIT_NOFILE to min(file-max / 2, 50000 files per LOAD_FACTOR) > +# Set ULIMIT_NOFILE to min(file-max / $nr_cpus / 2, 50000 files per LOAD_FACTOR) > # so that this test doesn't take forever or OOM the box > max_files=$((50000 * LOAD_FACTOR)) > -max_allowable_files=$(( $(cat /proc/sys/fs/file-max) / 2 )) > +max_allowable_files=$(( $(cat /proc/sys/fs/file-max) / $nr_cpus / 2 )) > test $max_allowable_files -gt 0 && test $max_files -gt $max_allowable_files && \ > max_files=$max_allowable_files > ulimit -n $max_files > diff --git a/tests/xfs/502 b/tests/xfs/502 > index 0a7921a3..1b747a1a 100755 > --- a/tests/xfs/502 > +++ b/tests/xfs/502 > @@ -43,10 +43,10 @@ _scratch_mount > # Load up all the CPUs, two threads per CPU. > nr_cpus=$(( $(getconf _NPROCESSORS_ONLN) * 2 )) > > -# Set ULIMIT_NOFILE to min(file-max / 2, 30000 files per cpu per LOAD_FACTOR) > +# Set ULIMIT_NOFILE to min(file-max / $nr_cpus / 2, 30000 files per cpu per LOAD_FACTOR) > # so that this test doesn't take forever or OOM the box > max_files=$((30000 * LOAD_FACTOR)) > -max_allowable_files=$(( $(cat /proc/sys/fs/file-max) / 2 )) > +max_allowable_files=$(( $(cat /proc/sys/fs/file-max) / $nr_cpus / 2 )) > test $max_allowable_files -gt 0 && test $max_files -gt $max_allowable_files && \ > max_files=$max_allowable_files > ulimit -n $max_files > -- > 2.17.1 >
