Definition

IOPS (Input/Output Operations Per Second)

This definition is part of our Essential Guide: Keep your server sharp and upgrade memory techniques

IOPS (input/output operations per second) is the standard unit of measurement for the maximum number of reads and writes to non-contiguous storage locations. IOPS is pronounced EYE-OPS.  

IOPs is often measured with an open source network testing tool called an Iometer. Measuring both IOPS and latency can help a network administrator predict how much load a network can handle without performance being negatively affected. 

See also: load testing

 

This was last updated in January 2012

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