hot data

Hot data is a reference to data that is accessed the most by an organization.

Hot data is data that needs to be accessed frequently. It is typically business-critical information that needs to be accessed quickly and is often used by a company for quick decision making.

Hot data usually resides on the fastest storage -- typically flash in hybrid or tiered storage environments. Conversely, cool data is data that is accessed less frequently by an organization. Cool data is usually stored on lower performing and less expensive storage environments in-house or in the cloud.

This was first published in January 2014

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