Storage Device - Latency (Remote Response Time)

About

Latency is the second performance characteristic of a storage device.

It's defined as the time needed to access a particular location in storage.

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The relevant unit of measurement is typically:

It may make sense to separate:

  • read latency
  • and write latency,

and in case of sequential access storage:

  • minimum,
  • maximum
  • and average latency.

Time scale of system latencies

Documentation / Reference


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