When do you do load and performance Testing?

Answer Posted / vaibhav kumar brijpuria

When to do Load testing:
Load tests are end-to-end performance tests conducted under
anticipated production load levels.
The primary aim of load testing is to determine response
times of critical business processes and transactions to
establish whether they are within Acceptable time frame or
not.
Load testing will also measure the capability of an
application to function correctly under load by measuring
the systems key performance indicators (CPU, MEMORY etc).

When to do Performance Testing:
The objectives of Performance Testing is to determine end-
to-end timing of various critical business processes and
transactions while the system is under low load with a
production sized database.

The best time to execute performance testing is at the
earliest opportunity.
Developing performance test scripts at such an early stage
provides opportunity to identify and resolve serious
performance problems and expectations before load testing
commences.

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