Which Amazon ES configuration should the SysOps administrator use to meet this requirement?

A company is testing Amazon Elasticsearch Service (Amazon ES) as a solution for analyzing system logs from a fleet of Amazon EC2 instances. During the test phase, the domain operates on a single-node cluster. A SysOps administrator needs to transition the test domain into a highly available production-grade deployment.

Which Amazon ES configuration should the SysOps administrator use to meet this requirement?
A . Use a cluster of four data nodes across two AWS Regions. Deploy four dedicated master nodes in each Region.
B . Use a cluster of six data nodes across three Availability Zones. Use three dedicated master nodes.
C . Use a cluster of six data nodes across three Availability Zones. Use six dedicated master nodes.
D . Use a cluster of eight data nodes across two Availability Zones. Deploy four master nodes in a failover AWS Region.

View Answer

Answer: B

Explanation:

To transition the Amazon Elasticsearch Service (Amazon ES) domain to a highly available, production-grade deployment:

Cluster Configuration:

Use a cluster of six data nodes to handle data ingestion and querying.

Distribute these nodes across three Availability Zones (AZs) for high availability and fault tolerance.

Reference: Amazon Elasticsearch Service Best Practices

Dedicated Master Nodes:

Use three dedicated master nodes to manage the cluster state and perform cluster management tasks.

This separation of master and data nodes helps in maintaining cluster stability and performance.

Reference: Dedicated Master Nodes

This configuration ensures that the Elasticsearch cluster is highly available and can handle production workloads effectively.