Grouping EC2 instances using placement groups
EC2 instances can be grouped using placement groups. For example, instances requiring low latency and high bandwidth communication can be placed in the same placement group. When instances are placed in this placement group, they have access to low latency, non-blocking 10 Gbps networking when communicating with other instances in the placement group (within a single availability zone). AWS recommends launching all the instances within the cluster placement group at the same time.
How to do it…
In order to group EC2 instances using placement groups, first we create a placement group, and then add our EC2 instances in it.
Creating a placement group
Run the following command to create placement groups. You ...
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