https://community.hpe.com/t5/disk-enclosures/nvme-performance-benchmarking/m-p/7151452#M49091 <P style="margin: 0;"><BR />Hi,</P> <P style="margin: 0;">Queue depth is the number of I/O requests that can be queued at one time on a storage controller.</P> Mon, 11 Oct 2021 06:43:06 GMT Sebasbin 2021-10-11T06:43:06Z https://community.hpe.com/t5/disk-enclosures/nvme-performance-benchmarking/m-p/7151215#M49090 <P>Hi,<BR /><BR />In the specifications of NVMe storage devices HPE specified Q for queues. Eg:&nbsp;<SPAN>MAX Random Read IOPS (4KiB):&nbsp;&nbsp;</SPAN><SPAN class="read_latancy">575,000@<STRONG>Q16</STRONG>.</SPAN></P><P>What is this Q,</P><P>is it the number of queues used in NVMe protocol or is it the number of queues set on the benchmarking tool.</P><P>How can we compare this output with a preformance test from fio.</P> Mon, 11 Oct 2021 06:44:41 GMT https://community.hpe.com/t5/disk-enclosures/nvme-performance-benchmarking/m-p/7151215#M49090 Liyanage 2021-10-11T06:44:41Z https://community.hpe.com/t5/disk-enclosures/nvme-performance-benchmarking/m-p/7151452#M49091 <P style="margin: 0;"><BR />Hi,</P> <P style="margin: 0;">Queue depth is the number of I/O requests that can be queued at one time on a storage controller.</P> Mon, 11 Oct 2021 06:43:06 GMT https://community.hpe.com/t5/disk-enclosures/nvme-performance-benchmarking/m-p/7151452#M49091 Sebasbin 2021-10-11T06:43:06Z