Can you quantify very bad performance? -- Jeff Jirsa
> On Jan 5, 2018, at 5:41 PM, Justin Sanciangco <jsancian...@blizzard.com> > wrote: > > Hello, > > 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
