hahahha...its just a typo...just testing both in order to understand the IOs performance .
mpirun -hostfile nodefile --map-by node -np 16 /usr/local/bin/ior -a POSIX --posix.odirect -v -i 50 -g -F -e -k -o /mnt/lustre/test.ior -r -t ${xfersize} -b ${blksize} -O summaryFile=./${TESTDIR}/iorresult_SeqWrite_p${ numthreads}_bs${blksize}_tf${xfersize}.json,summaryFormat=JSON On Wed, Jun 29, 2022 at 1:22 PM Andreas Dilger <adil...@whamcloud.com> wrote: > On Jun 28, 2022, at 21:51, Karan Singh via lustre-discuss < > lustre-discuss@lists.lustre.org> wrote: > > > Hi team > > Below are the details : > Using 40 lustre docker clients running on 4 x Dell R750 with each lustre > docker client running the below mentioned command > > ${xfersize} = ${blksize} > ${blksize} = 128M, 64M, 32M, 16M, 8M, 4M, 2M, 1M > > mpirun -hostfile nodefile --map-by node -np 16 /usr/local/bin/ior -a POSIX > --posix.odirect -v -i 50 -g -F -e -k -o /mnt/beegfs/test.ior > > > I think the problem is pretty clear right here - you are using BeeGFS for > your testing, not Lustre... :-) > > -r -t ${xfersize} -b ${blksize} -O summaryFile=./${TESTDIR}/ > iorresult_SeqWrite_p${numthreads}_bs${blksize}_tf${ > xfersize}.json,summaryFormat=JSON > > > <image.png> > > please let me know what is the bottleneck in the above setup ? > Also if you need more info , will be provide it right away . > > > Cheers, Andreas > -- > Andreas Dilger > Lustre Principal Architect > Whamcloud > > > > > > > >
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