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AWS re:Post Knowledge Center Spotlight: Amazon ElastiCache

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This spotlight on Amazon ElastiCache equips you with the skills and troubleshooting tips to get the most out of a serverless and fully-managed service.
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Overview

The AWS re:Post Knowledge Center is your one-stop-shop for authoritative, up-to-date guidance on using AWS services. This month, we're highlighting Amazon ElastiCache, a serverless, fully managed caching service delivering microsecond latency with Valkey-, Memcached-, and Redis OSS-compatibility.

ElastiCache Serverless offers zero infrastructure management, zero downtime maintenance, and instant scaling to match any application demand. Whether you're new to Amazon ElastiCache or an experienced user, the following Knowledge Center articles equip you with the skills and troubleshooting tips to get the most out of this instant-scaling service.

Cluster management and updates

With ElastiCache, you can manage and update your clusters with zero downtime maintenance or infrastructure management. Learn to manage cluster configurations, service updates, and version upgrades:

How do I change the cluster mode for my ElastiCache for Valkey or ElastiCache for Redis OSS cluster?

Update ElastiCache cluster mode for Valkey or Redis OSS clusters

How do I upgrade my ElastiCache for Redis engine version?

Upgrade your ElastiCache for Redis engine version

How do I complete an ElastiCache self-service update?

Learn about ElastiCache self-service updates

How do I upgrade self-managed ElastiCache for Redis OSS cluster to ElastiCache for Valkey cluster?

Upgrade ElastiCache cluster from Redis OSS Valkey

Why is my ElastiCache service update marked as "Complete" when I didn't apply the updates?

Understand why my ElastiCache service update is marked "Complete"

Troubleshooting connection and performance issues

With ElastiCache, you can speed up databases and application performance with microsecond latency. Learn how to troubleshoot connectivity issues, latency problems, and client errors:

How do I troubleshoot error messages in ElastiCache Redis clients?

Troubleshoot error messages in ElastiCache Redis clients

How do I troubleshoot connection issues for ElastiCache Serverless for Valkey or Redis OSS clusters?

Troubleshoot connection issues in ElastiCache Serverless for Valkey and ElastiCache Serverless for Redis

How do I troubleshoot high latency issues in ElastiCache for Valkey or ElastiCache for Redis OSS?

Troubleshoot high latency in ElastiCache for Valkey and Redis OSS

How do I fix connection issues for ElastiCache for Valkey and Redis OSS self-designated clusters?

Troubleshoot connectivity issues in ElastiCache for Redis and Valkey

How do I troubleshoot a decrease in the CacheHitRate metric in my ElastiCache Redis cluster?

Troubleshoot drops in CacheHitRate metric in ElastiCache for Redis

Failover and high availability

Use ElastiCache to improve your business continuity and achieve up to 99.99% availability, maintaining system reliability and minimizing disruptions during failover events. Learn the best practices:

How do I follow best practices for failover and recovery events for ElastiCache for Valkey or Redis?

Follow best practices for failover for ElastiCache for Valkey and Redis clusters

How do I minimize downtime in ElastiCache during failover?

Minimize downtime during failovers in ElastiCache

Why do I have a "Network allowance exceeded" metric in my self-managed ElastiCache cluster?

Troubleshoot Network allowance exceeded metrics in ElastiCache

Cluster creation and configuration

Troubleshoot creation and configuration issues for you ElastiCache cluster:

How do I resolve ElastiCache Serverless cluster creation issues?

Resolve ElastiCache Serverless cluster creation issues

How do I troubleshoot failures when I create an ElastiCache cluster?

Troubleshoot failures when I create an ElastiCache cluster

Why is there memory imbalance between shards in my ElastiCache for Valkey or ElastiCache for Redis?

Troubleshoot memory imbalance in ElastiCache self-managed cluster

Security and monitoring

With ElastiCache, trust in enterprise level security and resource monitoring. Learn how to implement security measures and monitor your cluster performance:

How do I connect to ElastiCache Serverless or self-managed clusters?

Test connection to an ElastiCache Redit or Memcached Cluster

How do I turn on TLS for an existing self-managed ElastiCache cluster?

Turn on TLS for existing self-managed ElastiCache clusters

How do I resolve the "invalid username-password pair or user is disabled" error in ElastiCache?

Resolve invalid username password pair or user is disabled error

How do I turn on log delivery in an ElastiCache for Redis OSS or ElastiCache for Valkey cluster?

Turn on log delivery in an ElastiCache for Redis cluster

Related information

Have more questions about ElastiCache? Check out the re:Post ElastiCache knowledge base or ask your own question to get guidance from the AWS community.

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