From: keith.busch@intel.com (Keith Busch)
Subject: Scalability issue with multiple NVMe Devices with one core
Date: Thu, 13 Oct 2016 10:18:21 -0400 [thread overview]
Message-ID: <20161013141820.GA17823@localhost.localdomain> (raw)
In-Reply-To: <50e02652-9e54-c314-6551-cd3075ccb005@mellanox.com>
On Thu, Oct 13, 2016@08:44:37AM +0300, Roy Shterman wrote:
> scenario is when running traffic over 1 NVMe Device with 1 core I'm getting
> X IOPS and Y% core utilization.
>
> In my perception, when adding more NVMe Devices I should see some linearity
> of the above results, but I'm getting only a small improvement in IOPS and
> still not getting 100% (or closer ) in CPU utilization.
>
> Any suggestions?
How are you generating IO?
next prev parent reply other threads:[~2016-10-13 14:18 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-13 5:44 Scalability issue with multiple NVMe Devices with one core Roy Shterman
2016-10-13 14:18 ` Keith Busch [this message]
2016-10-13 14:11 ` Roy Shterman
2016-10-13 14:44 ` Keith Busch
[not found] ` <2F56CFEA-4C6D-48B9-92B0-C4E74AF0B60B@mellanox.com>
2016-10-13 15:07 ` Keith Busch
2016-10-13 14:13 ` Roy Shterman
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