What's the difference between Load and Stress testing ?

Answer Posted / sailaja

One of the most common, but unfortunate misuse of
terminology is treating "load testing" and "stress testing"
as synonymous. The consequence of this ignorant semantic
abuse is usually that the system is neither properly "load
tested" nor subjected to a meaningful stress test.

1. Stress testing is subjecting a system to an unreasonable
load while denying it the resources (e.g., RAM, disc, mips,
interrupts, etc.) needed to process that load. The idea is
to stress a system to the breaking point in order to find
bugs that will make that break potentially harmful. The
system is not expected to process the overload without
adequate resources, but to behave (e.g., fail) in a decent
manner (e.g., not corrupting or losing data). Bugs and
failure modes discovered under stress testing may or may
not be repaired depending on the application, the failure
mode, consequences, etc. The load (incoming transaction
stream) in stress testing is often deliberately distorted
so as to force the system into resource depletion.

2. Load testing is subjecting a system to a statistically
representative (usually) load. The two main reasons for
using such loads is in support of software reliability
testing and in performance testing. The term "load testing"
by itself is too vague and imprecise to warrant use. For
example, do you mean representative
load," "overload," "high load," etc. In performance
testing, load is varied from a minimum (zero) to the
maximum level the system can sustain without running out of
resources or having, transactions suffer (application-
specific) excessive delay.

3. A third use of the term is as a test whose objective is
to determine the maximum sustainable load the system can
handle. In this usage, "load testing" is merely testing at
the highest transaction arrival rate in performance testing

Is This Answer Correct ?    3 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is the difference between qa, qc, and testing?

796


how will you test a wine filled bottle along with 100 glasses

1868


what is the difference between Risk based and Requirement based testing???

1715


I have 2 yrs 10 months experience in manual testing. there is a gap of 3 yrs in between. just 3 months before i rejoined the same company. I am looking for new & better job.What I have to enhance my career to up level, should I have to do Automation course or any other. Guide me properly.

1455


How could you present test strategy for the product testing?

652






What is the difference between baseline and traceability matrix?

733


What is Test Design ?( Urgent) and Test Design for Printer?

1563


In a systen design to work out the tax to be paid: An employee has Rs 4000 of salary tax free. the next Rs 1500 is taxed at 10% , the next Rs 28000 is taxed at 22% , any further amount is taxed at 40% , the nearest whole Rs, which of these is a valid boundary value analysis test case ???? a)Rs 1500 b)Rs 32001 c)Rs 33501 d) Rs 28000.

4429


Which model is following in your company for developing software?

717


What type of projects can include in Logistics Domain? and what is the type of domain for project which include Driving license renewal, Different type of title registration etc...

2540


If I want to check compability of software in a MAC OS then which steps shold I follow?

1601


Hi, My name is Dinesh.I want to prepare for ISTQB certification , So can anyone please email me the syllabus of it and what is criteria for giving exam.Please email me answers at: dinesh0323@live.com

4233


If you're given a program that will average student grades, what kinds of inputs would you use?

4415


Discuss what test metrics you feel are important to publish an organization?

4147


What is function points??????

1547