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#!/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;
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