3 # This test was used in a set of CMD3 tests (cmd3-5 test).
5 # Directory lookup retrieval rate 10 directories 1 million files each
6 # 6000 random lookups/sec per client node 62,000 random lookups/sec aggregate
8 # In 10 dirs containing 1 million files each the mdsrate Test Program will
9 # perform lookups for 10 minutes. This test is run from a single node for
10 # #1 and from all nodes for #2 aggregate test to measure lookup performance.
11 # TEst performs lookups across all 10 directories.
13 LUSTRE=${LUSTRE:-$(dirname $0)/..}
14 . $LUSTRE/tests/test-framework.sh
17 assert_env CLIENTS MDSRATE SINGLECLIENT MPIRUN
19 # Do not use name [df][0-9]* to avoid cleanup by rm, bug 18045
20 BASEDIR=$MOUNT/mdsrate
23 NUM_DIRS=${NUM_DIRS:-10}
24 NUM_FILES=${NUM_FILES:-1000000}
25 TIME_PERIOD=${TIME_PERIOD:-600} # seconds
27 LOG=${TESTSUITELOG:-$TMP/$(basename $0 .sh).log}
29 NODES_TO_USE=${NODES_TO_USE:-$CLIENTS}
30 NUM_CLIENTS=$(get_node_count ${NODES_TO_USE//,/ })
34 [ ! -x ${MDSRATE} ] && error "${MDSRATE} not built."
36 log "===== $0 ====== "
38 check_and_setup_lustre
40 MDSRATE_ENABLE_DNE=${MDSRATE_ENABLE_DNE:-false}
41 if $MDSRATE_ENABLE_DNE; then
43 mdtcount_opt="--mdtcount $MDSCOUNT"
51 mdsrate_STRIPEPARAMS=${mdsrate_STRIPEPARAMS:-${fs_STRIPEPARAMS:-"-c 1"}}
52 setstripe_getstripe $BASEDIR $mdsrate_STRIPEPARAMS
54 IFree=$(($(mdsrate_inodes_available) - NUM_DIRS))
55 if [ $IFree -lt $((NUM_FILES * NUM_DIRS)) ]; then
56 NUM_FILES=$((IFree / NUM_DIRS))
59 generate_machine_file $NODES_TO_USE $MACHINEFILE ||
60 error "can not generate machinefile"
62 p="$TMP/$TESTSUITE-$TESTNAME.parameters"
63 save_lustre_params $(get_facets MDS) mdt.*.enable_remote_dir_gid > $p
64 do_nodes $(comma_list $(mdts_nodes)) \
65 $LCTL set_param mdt.*.enable_remote_dir_gid=-1
67 DIRfmt="${BASEDIR}/lookup-%d"
70 # Unlink the files created in the directories under $BASEDIR.
71 # FIXME: does it make sense to add the possibility to unlink dirfmt to mdsrate?
73 mdsrate_cleanup_all() {
75 for i in $(seq 0 $NUM_DIRS); do
76 mdsrate_cleanup $NUM_CLIENTS $MACHINEFILE $NUM_FILES \
77 $BASEDIR/lookup-$i 'f%%d' --ignore
81 if [ -n "$NOCREATE" ]; then
82 echo "NOCREATE=$NOCREATE => no file creation."
86 log "===== $0 Test preparation: creating ${NUM_DIRS} dirs with ${NUM_FILES} files."
88 COMMAND="${MDSRATE} ${MDSRATE_DEBUG} --mknod
89 --ndirs ${NUM_DIRS} --dirfmt '${DIRfmt}'
90 --nfiles ${NUM_FILES} --filefmt 'f%%d'
91 $mdtcount_opt $debug_opt"
94 # For files creation we can use -np equal to NUM_DIRS
95 # This is just a test preparation, does not matter how many threads we
96 # use for files creation; we just should be aware that NUM_DIRS is less
97 # than or equal to the number of threads np
98 mpi_run ${MACHINEFILE_OPTION} ${MACHINEFILE} -np ${NUM_DIRS} \
101 # No lookup if error occurs on file creation, abort.
102 if [ ${PIPESTATUS[0]} != 0 ]; then
103 error_noexit "mdsrate file creation failed, aborting"
104 restore_lustre_params < $p
110 COMMAND="${MDSRATE} ${MDSRATE_DEBUG} --lookup --time ${TIME_PERIOD} ${SEED_OPTION}
111 --ndirs ${NUM_DIRS} --dirfmt '${DIRfmt}'
112 --nfiles ${NUM_FILES} --filefmt 'f%%d'"
115 if [ -n "$NOSINGLE" ]; then
116 echo "NO Test for lookups on a single client."
118 log "===== $0 ### 1 NODE LOOKUPS ###"
120 mpi_run ${MACHINEFILE_OPTION} ${MACHINEFILE} -np 1 ${COMMAND} |
123 if [ ${PIPESTATUS[0]} != 0 ]; then
124 [ -f $LOG ] && sed -e "s/^/log: /" $LOG
125 error_noexit "mdsrate lookup on single client failed, aborting"
126 restore_lustre_params < $p
133 [ $NUM_CLIENTS -eq 1 ] && NOMULTI=yes
134 if [ -n "$NOMULTI" ]; then
135 echo "NO test for lookups on multiple nodes."
137 log "===== $0 ### ${NUM_CLIENTS} NODES LOOKUPS ###"
139 mpi_run ${MACHINEFILE_OPTION} ${MACHINEFILE} -np ${NUM_CLIENTS} \
140 ${COMMAND} | tee ${LOG}
142 if [ ${PIPESTATUS[0]} != 0 ]; then
143 [ -f $LOG ] && sed -e "s/^/log: /" $LOG
144 error_noexit "mdsrate lookup on multiple nodes failed, aborting"
145 restore_lustre_params < $p
152 restore_lustre_params < $p
154 rmdir $BASEDIR || true
156 check_and_cleanup_lustre