Answer / amit_tgi

1. Load testing is to test that if the application works fine with the loads that
result from large number of simultaneous users, transactions and to determine
weather it can handle peak usage periods.

2. stress testing often refers to tests that put a greater emphasis on robustness,
availability, and error handling under a heavy load, rather than on what would
be considered correct behavior under normal circumstances. In particular, the
goals of such tests may be to ensure the software doesn't crash in conditions of
insufficient computational resources (such as memory or disk space), unusually
high concurrency, or denial of service attacks.

Answer / astha

Load testing as per its name suggests checks performance of application on higher loads.
By increasing load on tester checks whether application performs as expected on not.
As for example: consider a software product a banking site,by increasing the number of persons accessing the site we can do load testing.

Stress testing is to test the performance of a software application by decreasing resources.
As for example checking the performance of an operation system when OS Drive has lesser free space.

Answer / renu

Stress testing n simple word can be defined as testing of an
application when it is used by many user at the same time.
It checks whether the application is working as required
giving the right out put or not if hit by large number of
users simultaneously. It checks for the maximum limit at
which the application brakes under simulated load in order
to make application work normally in real scenario.

On the other hand Load testing is a generic term that
includes Performance testing and Stress testing.

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