Which EBS volume type is best for high performance NoSQL cluster deployments?
A.
io1
B.
gp1
C.
standard
D.
gp2
Explanation:
io1 volumes, or Provisioned IOPS (PIOPS) SSDs, are best for: Critical business applications that require sustained IOPS
performance, or more than 10,000 IOPS or 160 MiB/s of throughput per volume, like large database workloads, such as
MongoDB.
http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/EBSVolumeTypes.html