In order to save some login information, notification alert, and some other critical data, we used DynamoDB instead of ElastiCache due to low cost and data are more persistent as compared with ElastiCache.
Amazon Elasticache is better than Amazon Elasticsearch and Amazon SQS as the former is good for dumping a lot of data for searching purposes later on and the latter is good for maintaining a message bus whereas Amazon ElastiCache purely works as a caching data store to provide …