Re: Intel P3700 PCI-e as journal drives?

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Hi,

On 01/08/2016 03:02 PM, Paweł Sadowski wrote:
Hi,

Quick results for 1/5/10 jobs:

*snipsnap*
Run status group 0 (all jobs):
   WRITE: io=21116MB, aggrb=360372KB/s, minb=360372KB/s, maxb=360372KB/s,
mint=60000msec, maxt=60000msec

*snipsnap*
Run status group 0 (all jobs):
   WRITE: io=57723MB, aggrb=985119KB/s, minb=985119KB/s, maxb=985119KB/s,
mint=60001msec, maxt=60001msec

Disk stats (read/write):
   nvme0n1: ios=0/14754265, merge=0/0, ticks=0/253092, in_queue=254880,
util=100.00%
*snipsnap*
Run status group 0 (all jobs):
   WRITE: io=65679MB, aggrb=1094.7MB/s, minb=1094.7MB/s, maxb=1094.7MB/s,
mint=60001msec, maxt=60001msec

*snipsnap*

=== START OF INFORMATION SECTION ===
Vendor:               NVMe
Product:              INTEL SSDPEDMD01
Revision:             8DV1
User Capacity:        1,600,321,314,816 bytes [1.60 TB]
Logical block size:   512 bytes
Rotation Rate:        Solid State Device
Thank you for the fast answer. The numbers really look promising! Do you have experience with the speed of these drives with respect to their size? Are the smaller models (e.g. the 400GB one) as fast as the larger ones, or does the speed scale with the overall size, e.g. due to a larger number of flash chips / memory channels?

Regards,
Burkhard

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