3 # This test was used in a set of CMD3 tests (cmd3-7 test).
5 # File attribute retrieval rate for small file creation
6 # 3200 ops/sec for single node 29,000 ops/sec aggregate
8 # In a dir containing 10 million non-striped files, the mdsrate Test Program
9 # will perform directory ordered stat's (readdir) for 10 minutes. This test
10 # will be run from a single node for #1 and from all nodes for #2
11 # aggregate test to measure stat performance.
13 LUSTRE=${LUSTRE:-`dirname $0`/..}
14 . $LUSTRE/tests/test-framework.sh
16 . ${CONFIG:=$LUSTRE/tests/cfg/$NAME.sh}
18 assert_env CLIENTS MDSRATE SINGLECLIENT MPIRUN
20 MACHINEFILE=${MACHINEFILE:-$TMP/$(basename $0 .sh).machines}
21 # Do not use name [df][0-9]* to avoid cleanup by rm, bug 18045
22 BASEDIR=$MOUNT/mdsrate
26 NUM_FILES=${NUM_FILES:-1000000}
27 TIME_PERIOD=${TIME_PERIOD:-600} # seconds
29 # --random_order (default) -OR- --readdir_order
30 DIR_ORDER=${DIR_ORDER:-"--readdir_order"}
32 LOG=${TESTSUITELOG:-$TMP/$(basename $0 .sh).log}
34 NODES_TO_USE=${NODES_TO_USE:-$CLIENTS}
35 NUM_CLIENTS=$(get_node_count ${NODES_TO_USE//,/ })
39 [ ! -x ${MDSRATE} ] && error "${MDSRATE} not built."
41 log "===== $0 ====== "
43 check_and_setup_lustre
47 $LFS setstripe $BASEDIR -i 0 -c 1
50 IFree=$(mdsrate_inodes_available)
51 if [ $IFree -lt $NUM_FILES ]; then
55 generate_machine_file $NODES_TO_USE $MACHINEFILE || error "can not generate machinefile"
57 if [ -n "$NOCREATE" ]; then
58 echo "NOCREATE=$NOCREATE => no file creation."
60 mdsrate_cleanup $NUM_CLIENTS $MACHINEFILE $NUM_FILES $TESTDIR 'f%%d' --ignore
62 log "===== $0 Test preparation: creating ${NUM_FILES} files."
64 COMMAND="${MDSRATE} ${MDSRATE_DEBUG} --mknod --dir ${TESTDIR}
65 --nfiles ${NUM_FILES} --filefmt 'f%%d'"
68 NUM_CLIENTS=$(get_node_count ${NODES_TO_USE//,/ })
69 NUM_THREADS=$((NUM_CLIENTS * MDSCOUNT))
70 if [ $NUM_CLIENTS -gt 50 ]; then
71 NUM_THREADS=$NUM_CLIENTS
74 mpi_run -np ${NUM_THREADS} -machinefile ${MACHINEFILE} ${COMMAND} 2>&1
75 [ ${PIPESTATUS[0]} != 0 ] && error "mdsrate file creation failed, aborting"
79 COMMAND="${MDSRATE} ${MDSRATE_DEBUG} --stat --time ${TIME_PERIOD}
80 --dir ${TESTDIR} --nfiles ${NUM_FILES} --filefmt 'f%%d'
81 ${DIR_ORDER} ${SEED_OPTION}"
84 if [ -n "$NOSINGLE" ]; then
85 echo "NO Test for stats on a single client."
87 log "===== $0 ### 1 NODE STAT ###"
90 mpi_run -np 1 -machinefile ${MACHINEFILE} ${COMMAND} | tee ${LOG}
92 if [ ${PIPESTATUS[0]} != 0 ]; then
93 [ -f $LOG ] && sed -e "s/^/log: /" $LOG
94 error "mdsrate on a single client failed, aborting"
99 [ $NUM_CLIENTS -eq 1 ] && NOMULTI=yes
100 if [ -n "$NOMULTI" ]; then
101 echo "NO test for stats on multiple nodes."
103 log "===== $0 ### ${NUM_CLIENTS} NODES STAT ###"
106 mpi_run -np ${NUM_CLIENTS} -machinefile ${MACHINEFILE} ${COMMAND} | tee ${LOG}
108 if [ ${PIPESTATUS[0]} != 0 ]; then
109 [ -f $LOG ] && sed -e "s/^/log: /" $LOG
110 error "mdsrate stats on multiple nodes failed, aborting"
114 equals_msg `basename $0`: test complete, cleaning up
115 mdsrate_cleanup $NUM_CLIENTS $MACHINEFILE $NUM_FILES $TESTDIR 'f%%d'
116 rmdir $BASEDIR || true
118 check_and_cleanup_lustre