AWS Deployments
When you deploy Hazelcast clusters on AWS EC2 instances, you can place the cluster members on the same Cluster Placement Group. This approach can drastically reduce latency among members. Additionally, you can also consider using private IPs instead of public ones to increase the throughput when the cluster members are placed in the same VPC.
For the best performance of your Hazelcast on AWS EC2:
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Select the newest Linux AMIs.
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Select the HVM based instances.
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Select at least a system with 8 vCPUs, for example, c4.2xlarge. For an overview of all types of EC2 instances, refer to this web page.
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Consider setting a placement group.
