When do you do load and performance Testing?

Question Posted / mahesh sv

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When do you do load and performance Testing?..

Answer / 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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When do you do load and performance Testing?..

Answer / mahesh sv

We perform load testing once we are done with interface
(GUI) testing. Modern system architectures are large and
complex. Whereas single user testing primarily on
functionality and user interface of a system component,
application testing focuses on performance and reliability
of an entire system. For example, a typical
application-testing scenario might depict 1000 users logging
in simultaneously to a system. This gives rise to issues
such as what is the response time of the system, does it
crash, will it go with different software applications and
platforms, can it hold so many hundreds and thousands of
users, etc. This is when we set do load and performance testing.

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