Can you quantify very bad performance?
> On Jan 5, 2018, at 5:41 PM, Justin Sanciangco <jsancian...@blizzard.com>
> I am currently benchmarking NVMe SSDs with Cassandra and am getting very bad
> performance when my workload exceeds the memory size. What mount settings for
> NVMe should be used? Right now the SSD is formatted as XFS using noop
> scheduler. Are there any additional mount options that should be used? Any
> specific kernel parameters that should set in order to make best use of the
> PCIe NVMe SSD? Your insight would be well appreciated.
> Thank you,
> Justin Sanciangco