[PATCH 1/2] misc: don't oom the box opening tmpfiles

Darrick J. Wong
2019-02-26T02:35:39Z

From: Darrick J. Wong <darrick.wong@oracle.com>

For the t_open_tmpfiles tests, limit ourselves to half of file-max so
that we don't OOM the test machine.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
---
tests/generic/530 | 2 +-
tests/generic/531 | 2 +-
tests/xfs/501 | 2 +-
tests/xfs/502 | 2 +-
4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/tests/generic/530 b/tests/generic/530
index a2968d25..2bc4a992 100755
--- a/tests/generic/530
+++ b/tests/generic/530
@@ -42,7 +42,7 @@ _scratch_mount
# Set ULIMIT_NOFILE to min(file-max, 50000 files per LOAD_FACTOR)
# so that this test doesn't take forever or OOM the box
max_files=$((50000 * LOAD_FACTOR))
-max_allowable_files=$(( $(cat /proc/sys/fs/file-max) ))
+max_allowable_files=$(( $(cat /proc/sys/fs/file-max) / 2 ))
test $max_allowable_files -gt 0 && test $max_files -gt $max_allowable_files && \
max_files=$max_allowable_files
ulimit -n $max_files
diff --git a/tests/generic/531 b/tests/generic/531
index f3eb5cde..5d60e4b6 100755
--- a/tests/generic/531
+++ b/tests/generic/531
@@ -44,7 +44,7 @@ nr_cpus=$(( $(getconf _NPROCESSORS_ONLN) * 2 ))
# Set ULIMIT_NOFILE to min(file-max, 50000 files per LOAD_FACTOR)
# so that this test doesn't take forever or OOM the box
max_files=$((50000 * LOAD_FACTOR))
-max_allowable_files=$(( $(cat /proc/sys/fs/file-max) ))
+max_allowable_files=$(( $(cat /proc/sys/fs/file-max) / 2 ))
test $max_allowable_files -gt 0 && test $max_files -gt $max_allowable_files && \
max_files=$max_allowable_files
ulimit -n $max_files
diff --git a/tests/xfs/501 b/tests/xfs/501
index 51cdb020..d689145f 100755
--- a/tests/xfs/501
+++ b/tests/xfs/501
@@ -47,7 +47,7 @@ _scratch_mount
# Set ULIMIT_NOFILE to min(file-max, 30000 files per LOAD_FACTOR)
# so that this test doesn't take forever or OOM the box
max_files=$((30000 * LOAD_FACTOR))
-max_allowable_files=$(( $(cat /proc/sys/fs/file-max) ))
+max_allowable_files=$(( $(cat /proc/sys/fs/file-max) / 2 ))
test $max_allowable_files -gt 0 && test $max_files -gt $max_allowable_files && \
max_files=$max_allowable_files
ulimit -n $max_files
diff --git a/tests/xfs/502 b/tests/xfs/502
index bfb063f4..5ad10316 100755
--- a/tests/xfs/502
+++ b/tests/xfs/502
@@ -46,7 +46,7 @@ nr_cpus=$(( $(getconf _NPROCESSORS_ONLN) * 2 ))
# Set ULIMIT_NOFILE to min(file-max, 30000 files per cpu per LOAD_FACTOR)
# so that this test doesn't take forever or OOM the box
max_files=$((30000 * LOAD_FACTOR))
-max_allowable_files=$(( $(cat /proc/sys/fs/file-max) ))
+max_allowable_files=$(( $(cat /proc/sys/fs/file-max) / 2 ))
test $max_allowable_files -gt 0 && test $max_files -gt $max_allowable_files && \
max_files=$max_allowable_files
ulimit -n $max_files