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
16 . ${CONFIG:=$LUSTRE/tests/cfg/$NAME.sh}
17 assert_env CLIENTS MDSRATE SINGLECLIENT MPIRUN
19 MACHINEFILE=${MACHINEFILE:-$TMP/$(basename $0 .sh).machines}
20 # Do not use name [df][0-9]* to avoid cleanup by rm, bug 18045
21 BASEDIR=$MOUNT/mdsrate
24 NUM_DIRS=${NUM_DIRS:-10}
25 NUM_FILES=${NUM_FILES:-1000000}
26 TIME_PERIOD=${TIME_PERIOD:-600} # seconds
28 LOG=${TESTSUITELOG:-$TMP/$(basename $0 .sh).log}
30 NODES_TO_USE=${NODES_TO_USE:-$CLIENTS}
31 NUM_CLIENTS=$(get_node_count ${NODES_TO_USE//,/ })
35 [ ! -x ${MDSRATE} ] && error "${MDSRATE} not built."
37 log "===== $0 ====== "
39 check_and_setup_lustre
43 $LFS setstripe $BASEDIR -c 1
46 IFree=$(($(mdsrate_inodes_available) - NUM_DIRS))
47 if [ $IFree -lt $((NUM_FILES * NUM_DIRS)) ]; then
48 NUM_FILES=$((IFree / NUM_DIRS))
51 generate_machine_file $NODES_TO_USE $MACHINEFILE || error "can not generate machinefile"
53 DIRfmt="${BASEDIR}/lookup-%d"
55 if [ -n "$NOCREATE" ]; then
56 echo "NOCREATE=$NOCREATE => no file creation."
58 # FIXME: does it make sense to add the possibility to unlink dirfmt to mdsrate?
59 for i in $(seq 0 $NUM_DIRS); do
60 mdsrate_cleanup $NUM_CLIENTS $MACHINEFILE $NUM_FILES $BASEDIR/lookup-$i 'f%%d' --ignore
63 log "===== $0 Test preparation: creating ${NUM_DIRS} dirs with ${NUM_FILES} files."
65 COMMAND="${MDSRATE} ${MDSRATE_DEBUG} --mknod
66 --ndirs ${NUM_DIRS} --dirfmt '${DIRfmt}'
67 --nfiles ${NUM_FILES} --filefmt 'f%%d'"
70 # For files creation we can use -np equal to NUM_DIRS
71 # This is just a test preparation, does not matter how many threads we
72 # use for files creation; we just should be aware that NUM_DIRS is less
73 # than or equal to the number of threads np
74 mpi_run -np ${NUM_DIRS} ${MACHINEFILE_OPTION} ${MACHINEFILE} \
77 # No lookup if error occurs on file creation, abort.
78 [ ${PIPESTATUS[0]} != 0 ] && error "mdsrate file creation failed, aborting"
81 COMMAND="${MDSRATE} ${MDSRATE_DEBUG} --lookup --time ${TIME_PERIOD} ${SEED_OPTION}
82 --ndirs ${NUM_DIRS} --dirfmt '${DIRfmt}'
83 --nfiles ${NUM_FILES} --filefmt 'f%%d'"
86 if [ -n "$NOSINGLE" ]; then
87 echo "NO Test for lookups on a single client."
89 log "===== $0 ### 1 NODE LOOKUPS ###"
91 mpi_run -np 1 ${MACHINEFILE_OPTION} ${MACHINEFILE} ${COMMAND} |
94 if [ ${PIPESTATUS[0]} != 0 ]; then
95 [ -f $LOG ] && sed -e "s/^/log: /" $LOG
96 error "mdsrate lookups on a single client failed, aborting"
101 [ $NUM_CLIENTS -eq 1 ] && NOMULTI=yes
102 if [ -n "$NOMULTI" ]; then
103 echo "NO test for lookups on multiple nodes."
105 log "===== $0 ### ${NUM_CLIENTS} NODES LOOKUPS ###"
107 mpi_run -np ${NUM_CLIENTS} ${MACHINEFILE_OPTION} ${MACHINEFILE} \
108 ${COMMAND} | tee ${LOG}
110 if [ ${PIPESTATUS[0]} != 0 ]; then
111 [ -f $LOG ] && sed -e "s/^/log: /" $LOG
112 error "mdsrate lookups on multiple nodes failed, aborting"
117 # FIXME: does it make sense to add the possibility to unlink dirfmt to mdsrate?
118 for i in $(seq 0 $NUM_DIRS); do
119 mdsrate_cleanup $NUM_CLIENTS $MACHINEFILE $NUM_FILES \
120 $BASEDIR/lookup-$i 'f%%d' --ignore
123 rmdir $BASEDIR || true
125 check_and_cleanup_lustre