LU-15114 osp: changes queuing throttle

[fs/lustre-release.git] / lustre / tests / sanity.sh

diff --git a/lustre/tests/sanity.sh b/lustre/tests/sanity.sh
index b3b11f8..ce1e1ae 100755 (executable)
--- a/lustre/tests/sanity.sh
+++ b/lustre/tests/sanity.sh
@@ -27591,6 +27591,48 @@ test_823() {
 }
 run_test 823 "Setting create_count > OST_MAX_PRECREATE is lowered to maximum"
 
+test_831() {
+       local sync_changes=$(do_facet $SINGLEMDS \
+               $LCTL get_param -n osp.$FSNAME-OST0000-osc-MDT0000.sync_changes)
+
+       [ "$sync_changes" -gt 100 ] &&
+               skip "Sync changes $sync_changes > 100 already"
+
+       local p="$TMP/$TESTSUITE-$TESTNAME.parameters"
+
+       $LFS mkdir -i 0 $DIR/$tdir
+       $LFS setstripe -c 1 -i 0 $DIR/$tdir
+
+       save_lustre_params mds1 \
+               "osp.$FSNAME-OST*-osc-MDT0000.max_sync_changes" > $p
+       save_lustre_params mds1 \
+               "osp.$FSNAME-OST*-osc-MDT0000.max_rpcs_in_progress" >> $p
+
+       do_facet mds1 "$LCTL set_param -n \
+               osp.$FSNAME-OST*-osc-MDT0000.max_sync_changes=100 \
+               osp.$FSNAME-OST*-osc-MDT0000.max_rpcs_in_progress=128"
+       stack_trap "restore_lustre_params < $p" EXIT
+
+       createmany -o $DIR/$tdir/f- 1000
+       unlinkmany $DIR/$tdir/f- 1000 &
+       local UNLINK_PID=$!
+
+       while sleep 1; do
+               sync_changes=$(do_facet mds1 \
+               $LCTL get_param -n osp.$FSNAME-OST0000-osc-MDT0000.sync_changes)
+               # the check in the code is racy, fail the test
+               # if the value above the limit by 10.
+               [ $sync_changes -gt 110 ] && {
+                       kill -2 $UNLINK_PID
+                       wait
+                       error "osp changes throttling failed, $sync_changes>110"
+               }
+               kill -0 $UNLINK_PID 2> /dev/null || break
+       done
+       wait
+}
+run_test 831 "throttling unlink/setattr queuing on OSP"
+
 #
 # tests that do cleanup/setup should be run at the end
 #