Questions tagged with Amazon ElastiCache for Redis
Amazon ElastiCache for Redis is a blazing fast in-memory data store that provides sub-millisecond latency to power internet-scale real-time applications.
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We are using AWS Valkey Serverless with a Spring Boot microservices architecture running on Kubernetes.
We intermittently see Redis command timeout exceptions for both GET and SETEX operations, even ...
I'd like to make a feature request for Elasticache Redis autoscaling to support the same level of AZ control as manual scaling operations. My ElastiCache cluster mode enabled replication group has a s...
I need to scale up Redis for more memory and following this doc https://docs.aws.amazon.com/AmazonElastiCache/latest/dg/Scaling.RedisReplGrps.html
It says it copies all the data from the current pri...
# 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...
https://repost.aws/knowledge-center/elasticache-service-update-complete
This wiki contains an incorrect information:
"When you set the Auto-Update after Due Date field to no, ElastiCache doesn't au...
asked 5 months ago
I’m attempting to use Amazon ElastiCache Serverless for Redis (Redis 7.1, cluster‑mode enabled) as the message broker for Celery 5.3+ running on Amazon ECS Fargate. Celery powers asynchronous backgrou...
In our production environment we need to upgrade these 2 Redis clusters on Redis v5.0.6 to cache node type **cache.m6g.4xlarge**
1) 1 primary and 1 replica currently at node type cache.m5.2xlarge
2) 1...
I created a openvpn, and peered a secondary vpc,
i could able to connect to ec2 through ssh.
but unable to connect to redis cluster
how to fix this
i dont have security group in redis
but routes in ...
asked 10 months ago
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...
Hi everyone!
I've created a **Multi-Region MemoryDB Cluster**, with the next configuration:
* Engine: **Valkey (7.3)**
* Shards per cluster: **1**
* Regions: **2** (Oregon and Ireland)
* Nodes per s...
I suggest to add more explanation to what realy this "service update" does. It is a migration from Redis to Valkey really, so the cluster of Redis 5x becomes Valkey 8.1!
In my opinion this update sh...
The carddemo application is failed to start after successful deployment.
Logs attached.
2025-08-03T18:04:30.815Z
Caused by: org.postgresql.util.PSQLException: FATAL: password authentication failed for...