Re: How to stress a 8Gbps card to get 500 000 IOPS or 1600 MB/s

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you have two typos in your config that will likely result in less than sufficient iodepth to hit 500k IOPS. check if those are in your actual config or not...

> On Jan 18, 2016, at 5:58 PM, Thierry BERTAUD <tbertaud@xxxxxxxxxxxx> wrote:
> 
> Hello fio team,
> 
> I tryed to stress my 8 Gbps hba with fio wit a lot of case:
> I know that the hba card is capable of 500 000 IOPS or get data rate neat that 8 Gbps (1600 MB/sec).
> i tried to change block size, iodepth, numjobs, iodepth but idon't have good resulut. (42000 IOPS and throughput 162 MB/s).
> 
> Below fio conf:
> [global]
> thread
> numjobs=1
> iodepth=1
> group_reporting
> bs=4k
> norandommap=1
> refill_buffers
> direct=1
> ioengine=posixaio
> runtime=300
> time_based
> filename=/dev/hdisk6
> log_avg_msec=1000
> [randwrite_64_64]
> rw=randwrite
> numjobs=64
> ioepth=64
> stonewal 
> 
> 
> 
> Regards,
> Thierry--
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