Is it possible to stop nodes in AWS ElasticCache cluster

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Using your custom domain name will route through the "WAN" and incur bandwidth charges.

I have been using AWS for development purposes. Because the developers are in one timezone, the resources are switched off after work hours to conserve usage and avoid paying unnecessary operating costs.

Is it possible to temporarily switch off nodes in elasticache cluster? 

All i found in CLI reference was 'delete cluster': http://docs.aws.amazon.com/cli/latest/reference/elasticache/index.htm.

Aug 18, 2018 in AWS by datageek
• 2,530 points
366 views

1 answer to this question.

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In AWS, ElastiCache clusters cannot be stopped. They can only be deleted and recreated. You can use this pattern to avoid paying for time when you're not using the cluster.

If you are using a Redis ElastiCache cluster, you can create a snapshot as the cluster is being deleted. Then, you can restore the cluster from the snapshot when you create it. This way, you preserve the data in the cluster.

The cluster endpoints are derived from a combination of

  • the cluster IDs,

  • the region,

  • the AWS account.

So as long as you delete and re-create clusters with those parts being constant, then the clusters will maintain the same endpoint.

I hope this was helpful.

answered Aug 18, 2018 by Archana
• 4,150 points

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