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The lustre zpios-test simulates a reasonable lustre workload. It will create 128 threads, the same as a Lustre OSS, and then 4096 individual objects. Each objects is 16MiB in size and will be written/read in 1MiB from a random thread. This is fundamentally how we expect Lustre to behave for large IO intensive workloads.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,66 @@ | ||
| #!/bin/bash | ||
| # | ||
| # Usage: zpios | ||
| # --threadcount -t =values | ||
| # --threadcount_low -l =value | ||
| # --threadcount_high -h =value | ||
| # --threadcount_incr -e =value | ||
| # --regioncount -n =values | ||
| # --regioncount_low -i =value | ||
| # --regioncount_high -j =value | ||
| # --regioncount_incr -k =value | ||
| # --offset -o =values | ||
| # --offset_low -m =value | ||
| # --offset_high -q =value | ||
| # --offset_incr -r =value | ||
| # --chunksize -c =values | ||
| # --chunksize_low -a =value | ||
| # --chunksize_high -b =value | ||
| # --chunksize_incr -g =value | ||
| # --regionsize -s =values | ||
| # --regionsize_low -A =value | ||
| # --regionsize_high -B =value | ||
| # --regionsize_incr -C =value | ||
| # --load -L =dmuio|ssf|fpp | ||
| # --pool -p =pool name | ||
| # --name -M =test name | ||
| # --cleanup -x | ||
| # --prerun -P =pre-command | ||
| # --postrun -R =post-command | ||
| # --log -G =log directory | ||
| # --regionnoise -I =shift | ||
| # --chunknoise -N =bytes | ||
| # --threaddelay -T =jiffies | ||
| # --verify -V | ||
| # --zerocopy -z | ||
| # --nowait -O | ||
| # --human-readable -H | ||
| # --verbose -v =increase verbosity | ||
| # --help -? =this help | ||
|
|
||
| ZPIOS_CMD="${ZPIOS} \ | ||
| --load=dmuio,fpp \ | ||
| --pool=${ZPOOL_NAME} \ | ||
| --name=${ZPOOL_DESC} \ | ||
| --threadcount=128 \ | ||
| --regioncount=4096 \ | ||
| --regionsize=16M \ | ||
| --chunksize=1M \ | ||
| --offset=0M \ | ||
| --threaddelay=0 \ | ||
| --cleanup \ | ||
| --human-readable \ | ||
| ${ZPIOS_OPTIONS}" | ||
|
|
||
| zpios_start() { | ||
| if [ ${VERBOSE} ]; then | ||
| ZPIOS_CMD="${ZPIOS_CMD} --verbose" | ||
| echo ${ZPIOS_CMD} | ||
| fi | ||
|
|
||
| ${ZPIOS_CMD} || exit 1 | ||
| } | ||
|
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||
| zpios_stop() { | ||
| [ ${VERBOSE} ] && echo | ||
| } |