Sorry. That was a mistake. I thought i was writing 1g. Thanks anyway for pointing that out. Srinivasa R Chamarthy On Mon, May 4, 2015 at 8:38 PM, Sitsofe Wheeler <sitsofe@xxxxxxxxx> wrote: > Hi, > > When you report these issues could you cut the fio job file down to > the smallest possible file that still reproduces the problem (i.e. > removing any line in the job file should make the problem disappear)? > > On 3 May 2015 at 13:00, Srinivasa Chamarthy <chamarthy.raju@xxxxxxxxx> wrote: > > <snip> > >> # cat test1.fio >> [global] >> ioengine=libaio >> size=1m >> blocksize=1024k,1024k >> iodepth=8 >> iodepth_batch=4 >> iodepth_low=2 >> ;runtime=60 >> ;time_based >> filename=testfile_test1 >> numjobs=1 >> >> [pattern_one_seq_write] >> buffer_pattern=0xff >> readwrite=write > > So the file size is 1024KBytes, the block size is 1024KBytes and you > would like to queue 8 x 1024KByte (i.e. 8192KBytes) blocks in parallel > at any one time? Is that correct and your intent? > > One immediate issue is that you aren't likely to achieve your I/O > depth of 8 because OS restrictions on buffered I/O (see > https://github.com/axboe/fio/blob/fio-2.2.7/HOWTO#L785 for warning > about libaio and buffered I/O case). > > -- > Sitsofe | http://sucs.org/~sits/ -- To unsubscribe from this list: send the line "unsubscribe fio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
