
Amazon ElastiCache for Valkey now supports durability with synchronous and asynchronous write options, enabling microsecond latency with data protection across multiple Availability Zones for use cases where data loss is unacceptable.


<div><p>This article announces durability support for Amazon ElastiCache, enabling data persistence across multiple Availability Zones while maintaining microsecond latency.</p><ul><li>Durability stores data across multiple AZs using Multi-AZ transactional logs</li><li>Synchronous writes: zero data loss at single-digit millisecond write latency</li><li>Asynchronous writes: microsecond latency, up to 10 seconds data loss possible</li><li>Both options maintain microsecond read latency</li><li>Enables use cases like AI agent memory, RAG knowledge bases, payment tokenization</li><li>Available in all AWS commercial, China, and GovCloud regions with Valkey 9.0</li></ul><p>ElastiCache now supports durable workloads requiring both low latency and data persistence, expanding beyond traditional caching use cases.</p></div>


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