1 files changed, 53 insertions, 0 deletions
diff --git a/tests/bugs/replicate/bug-853680.t b/tests/bugs/replicate/bug-853680.t
new file mode 100755
index 00000000000..806c3d142a1
--- /dev/null
+++ b/tests/bugs/replicate/bug-853680.t
@@ -0,0 +1,53 @@
+#!/bin/bash
+#
+# Bug 853680
+#
+# Test that io-threads least-rate-limit throttling functions as expected. Set
+# a limit, perform a few operations with a least-priority mount and verify
+# said operations take a minimum amount of time according to the limit.
+
+. $(dirname $0)/../../include.rc
+. $(dirname $0)/../../volume.rc
+
+cleanup;
+
+TEST glusterd
+
+TEST $CLI volume create $V0 $H0:$B0/${V0}1
+TEST $CLI volume start $V0
+
+#Accept min val
+TEST $CLI volume set $V0 performance.least-rate-limit 0
+#Accept some value in between
+TEST $CLI volume set $V0 performance.least-rate-limit 1035
+#Accept max val INT_MAX
+TEST $CLI volume set $V0 performance.least-rate-limit 2147483647
+
+#Reject other values
+TEST ! $CLI volume set $V0 performance.least-rate-limit 2147483648
+TEST ! $CLI volume set $V0 performace.least-rate-limit -8
+TEST ! $CLI volume set $V0 performance.least-rate-limit abc
+TEST ! $CLI volume set $V0 performance.least-rate-limit 0.0
+TEST ! $CLI volume set $V0 performance.least-rate-limit -10.0
+TEST ! $CLI volume set $V0 performance.least-rate-limit 1%
+
+# set rate limit to 1 operation/sec
+TEST $CLI volume set $V0 performance.least-rate-limit 1
+
+# use client-pid=-1 for least priority mount
+TEST glusterfs --volfile-id=$V0 --volfile-server=$H0 $M0 --client-pid=-1
+
+# create a few files and verify this takes more than a few seconds
+date1=`date +%s`
+TEST touch $M0/file{0..2}
+date2=`date +%s`
+
+optime=$(($date2 - $date1))
+TEST [ $optime -ge 3 ]
+
+EXPECT_WITHIN $UMOUNT_TIMEOUT "Y" force_umount $M0
+
+TEST $CLI volume stop $V0
+TEST $CLI volume delete $V0
+
+cleanup;