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All Content tagged with Amazon ElastiCache
fully managed, in-memory caching service supporting flexible, real-time use cases.
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# Background
Hi AWS team,
I noticed an inconsistency between AWS ElastiCache Redis 7.1 and a local Redis OSS 7.0.16 regarding the Redis ACL admin category.
When I run:
`ACL CAT admin`
on both environm...
According to the documentation, Elasticache supports IPv6/dualstack but there is no mention on how to configure this for serverless and the default endpoints are IPv4 only. Is there anything that can ...
I have an existing Amazon MSK cluster that was created using the AWS managed KMS key for encryption at rest.
I now have a requirement to use a customer-managed KMS key (CMK) instead.
Questions:
Ca...
Does ElastiCache ValKey 8.2 works only in the vector form `'<filtering>=>[KNN ...]'`and not suppprt range queries or metadata searches FT.SEARCH? \
When created an index with a vector and metadata fie...
YalaEXPERT
published a month ago0 votes95 views
This article provides a ready-to-use Athena SQL query to identify all Amazon ElastiCache clusters running Redis or Valkey engines across AWS accounts using Cost and Usage Report data. Useful for cost ...
I’m encountering an issue when creating an ElastiCache Serverless (Valkey) cache using a customer-managed KMS key via the AWS API.
**What works**
* Creating the same Valkey Serverless cache via the A...
Hey guys,
Our ElastiCache nodes were migrated from Redis 6 to Valkey 7 (engine version 7.2). Our production node type is cache.r6gd.xlarge, so data tiering is enabled by default. After performing the...
Hello,
I am requesting for a AWS developer to share their experience and skills toward designing and developing an AWS architecture to support both mobile and and web application demands. At the mome...
Amazon ElastiCache JSON (Redis OSS and Valkey engines) supports JSONPath filters for top-level fields such as:
```
JSON.GET key '$.transactions[?(@.state=="Posted")]'
```
…but fails when the predicat...
Valkey 9.0 was officially released on 21 October 2025.
We’re currently using Redis on ElastiCache and planning a migration to Valkey, but would like to base our timeline on when Valkey 9 will be suppo...
We’re using ElastiCache Serverless for Valkey in a region with 3 Availability Zones (eu-west-2a, eu-west-2b, eu-west-2c).
The cluster was created with 3 subnets, one in each AZ.
However, from observi...
A Serverless ElastiCache cache gets into an inconsistent state when upgrading from Redis to Valkey 7, then reverting back to Redis, then upgrading to Valkey 7 again. The engine remains Redis, but when...