Answer Posted / nick

Well its hard to generalize the answer becoz performance
bottlenecks are specific to each project(they depend on
factors like different server configurations , test
environment , data, scope of the SUT and so on & so forth).
Common issues that i faced over the past few years of my
Performance testing experience :

1)Understanding the actual scope of the AUT(many cases
nobody knows what they want)
2)Creating Workload profile matric
3)Creating effective Test stratagies & plans
4)Selection of testing tools (budgeting issues)
5)Test environment becoz in most cases scaled down
environment( <35-50% ) is what we end up with but, we are
still asked to compare apples to oranges (practically not
possible)
6)Test data ,again what we get is far from what we want
7)Dependencies from other departments
8)deliverables & milestones ( its ironic that QA team is
always expected to perform & perform in time )

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