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Knowledge Center content tagged with Amazon ElastiCache

fully managed, in-memory caching service supporting flexible, real-time use cases.

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How do I resolve the "invalid username-password pair or user...

AWS OFFICIALUpdated a year ago

When I use AWS Identity and Access Management (IAM) authentication to connect to my Amazon ElastiCache Valkey and Redis OSS cluster, I receive the "AuthenticationError: invalid username-password pair ...

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Amazon ElastiCache

How do I follow best practices for failover and recovery eve...

AWS OFFICIALUpdated a year ago

I want to follow best practices for failover events in my Amazon ElastiCache for Valkey or Amazon ElastiCache for Redis OSS self-designed cluster.

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Amazon ElastiCache

How do I troubleshoot error messages in ElastiCache Redis cl...

AWS OFFICIALUpdated a year ago

I get error messages when I use Redis clients to connect to my Amazon ElastiCache Redis cluster.

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Amazon ElastiCache

Why do I have a "Network allowance exceeded" metric in my se...

AWS OFFICIALUpdated a year ago

I see a "Network allowance exceeded" metric in my Amazon ElastiCache environment.

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Amazon ElastiCache

How do I upgrade my self-managed ElastiCache for Redis OSS c...

AWS OFFICIALUpdated a year ago

I want to upgrade my Amazon ElastiCache for Redis OSS cluster to an Amazon ElastiCache for Valkey cluster.

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Amazon ElastiCache

How do I change the cluster mode for my ElastiCache for Valk...

AWS OFFICIALUpdated a year ago

I want to change the cluster mode from cluster mode disabled to cluster mode enabled for my Amazon ElastiCache for Valkey or Amazon ElastiCache for Redis OSS cluster.

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Amazon ElastiCache

Why is there a memory imbalance between shards in my ElastiC...

AWS OFFICIALUpdated a year ago

My Amazon ElastiCache for Valkey or Amazon ElastiCache for Redis self-managed cluster with cluster mode enabled has uneven memory usage across shards.

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Amazon ElastiCache

How do I troubleshoot connection issues for ElastiCache Serv...

AWS OFFICIALUpdated a year ago

I want to access my Amazon ElastiCache Serverless for Redis OSS or Amazon ElastiCache Serverless for Valkey cluster. When I access the cluster from resources within the same Amazon Virtual Private Clo...

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Amazon ElastiCache

How do I minimize downtime in ElastiCache during failover?

AWS OFFICIALUpdated a year ago

I want to follow best practices to minimize downtime during failovers for Amazon ElastiCache for Redis OSS and Amazon ElastiCache for Valkey.

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Amazon ElastiCache

How do I troubleshoot failures when I create an ElastiCache ...

AWS OFFICIALUpdated a year ago

When I create an Amazon ElastiCache cluster, the creation fails.

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Amazon ElastiCache

Why is my ElastiCache service update marked as "Complete" wh...

AWS OFFICIALUpdated a year ago

Amazon ElastiCache marked my service updates "Complete" even though I didn't apply the update.

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Amazon ElastiCache

How do I turn on TLS for an existing self-managed ElastiCach...

AWS OFFICIALUpdated a year ago

I want to turn on TLS for an existing self-managed Amazon ElastiCache cluster.

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Amazon ElastiCache

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