+test_160s() {
+ remote_mds_nodsh && skip "remote MDS with nodsh"
+ (( $MDS1_VERSION >= $(version_code 2.14.55) )) ||
+ skip "Need MDS version at least 2.14.55"
+
+ local mdts=$(comma_list $(mdts_nodes))
+
+ #define OBD_FAIL_TIME_IN_CHLOG_USER 0x1314
+ do_nodes $mdts $LCTL set_param fail_loc=0x1314 \
+ fail_val=$((24 * 3600 * 10))
+
+ # Create a user which is 10 days old
+ changelog_register || error "first changelog_register failed"
+ local cl_users
+ declare -A cl_user1
+ local i
+
+ # generate some changelog records to accumulate on each MDT
+ # use all_char because created files should be evenly distributed
+ test_mkdir -c $MDSCOUNT -H all_char $DIR/$tdir ||
+ error "test_mkdir $tdir failed"
+ for ((i = 0; i < MDSCOUNT; i++)); do
+ $LFS mkdir -i $i $DIR/$tdir/d$i.1 $DIR/$tdir/d$i.2 ||
+ error "create $DIR/$tdir/d$i.1 failed"
+ done
+
+ # check changelogs have been generated
+ local nbcl=$(changelog_dump | wc -l)
+ (( nbcl > 0 )) || error "no changelogs found"
+
+ # reduce the max_idle_indexes value to make sure we exceed it
+ for param in "changelog_max_idle_indexes=2097446912" \
+ "changelog_max_idle_time=2592000" \
+ "changelog_gc=1" \
+ "changelog_min_gc_interval=2"; do
+ local MDT0=$(facet_svc $SINGLEMDS)
+ local var="${param%=*}"
+ local old=$(do_facet mds1 "$LCTL get_param -n mdd.$MDT0.$var")
+
+ stack_trap "do_nodes $mdts $LCTL set_param mdd.*.$var=$old" EXIT
+ do_nodes $mdts $LCTL set_param mdd.*.$param ||
+ error "unable to set mdd.*.$param"
+ done
+
+ local start=$SECONDS
+ for i in $(seq $MDSCOUNT); do
+ cl_users=(${CL_USERS[mds$i]})
+ cl_user1[mds$i]="${cl_users[0]}"
+
+ [[ -n "${cl_user1[mds$i]}" ]] ||
+ error "mds$i: no user registered"
+ done
+
+ #define OBD_FAIL_MDS_CHANGELOG_IDX_PUMP 0x16d
+ do_nodes $mdts $LCTL set_param fail_loc=0x16d fail_val=500000000
+
+ # ensure we are past the previous changelog_min_gc_interval set above
+ local sleep2=$((start + 2 - SECONDS))
+ (( sleep2 > 0 )) && echo "sleep $sleep2 for interval" && sleep $sleep2
+
+ # Generate one more changelog to trigger GC
+ for ((i = 0; i < MDSCOUNT; i++)); do
+ $LFS mkdir -i $i $DIR/$tdir/d$i.3 $DIR/$tdir/d$i.4 ||
+ error "create $DIR/$tdir/d$i.3 failed"
+ done
+
+ # ensure gc thread is done
+ for node in $(mdts_nodes); do
+ wait_update $node "pgrep chlg_gc_thread" "" 20 ||
+ error "$node: GC-thread not done"
+ done
+
+ do_nodes $mdts $LCTL set_param fail_loc=0
+
+ for (( i = 1; i <= MDSCOUNT; i++ )); do
+ # check cl_user1 is purged
+ changelog_users mds$i | grep -q "${cl_user1[mds$i]}" &&
+ error "mds$i: User ${cl_user1[mds$i]} is registered"
+ done
+ return 0
+}
+run_test 160s "changelog garbage collect on idle records * time"
+