AWS Cloud TutorialLesson 40Free preview

AWS Instance Stores

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Summary

An instance store is temporary physical storage that is attached directly to the host where the EC2 instance runs. The advantage is that latency is very low and often not at an additional cost, but the data in it is lost when the instance is stopped or terminated. Because of its nature, instance stores are only suitable for buffers, caches, and temporary data that can be rebuilt.

Key points

Instance store is ephemeral or temporary
Data is lost when an instance is stopped or moved
Low latency and generally no additional charge
Suitable for cache, buffer, and temporary files

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