While they guarantee IOPS, they don't really make any guarantees about latency. Since EBS goes over the network, there's so many things in the path of getting at your data, I would be concerned with random latency spikes, unless proven otherwise.
Thanks, Daniel On Wed, Jun 18, 2014 at 1:58 AM, Alain RODRIGUEZ <arodr...@gmail.com> wrote: > In this document it is said : > > > - Provisioned IOPS (SSD) - Volumes of this type are ideal for the most > demanding I/O intensive, transactional workloads and large relational or > NoSQL databases. This volume type provides the most consistent performance > and allows you to provision the exact level of performance you need with > the most predictable and consistent performance. With this type of volume > you provision exactly what you need, and pay for what you provision. Once > again, you can achieve up to 48,000 IOPS by connecting multiple volumes > together using RAID. > > > > 2014-06-18 10:57 GMT+02:00 Alain RODRIGUEZ <arodr...@gmail.com>: > > Hi, >> >> I just saw this : >> http://aws.amazon.com/fr/blogs/aws/new-ssd-backed-elastic-block-storage/ >> >> Since the problem with EBS was the network, there is no chance that this >> hardware architecture might be useful alongside Cassandra, right ? >> >> Alain >> > >
