Can I use Redis' Hyperloglog datatype with AWS Elasticache Redis?

Hi,

Thank you for asking your question.

Yes, Amazon ElastiCache for Redis supports Hyperloglog from Redis2.8.19 [1]. Also we have several Hyperloglog related parameters [2].

[1] Release blog in 2015: https://aws.amazon.com/blogs/aws/amazon-elasticache-update-redis-2-8-19-now-available/

[2] https://docs.aws.amazon.com/AmazonElastiCache/latest/red-ug/ParameterGroups.Redis.html

I hope this might help.