Understanding Performance Testing and Memory Profiling

Most common types of Performance Testing are:

• Performance Test
• Load Test
• Stress Test
• Capacity Test

Here, you can find a very rich pdf about Performance Testing on CodePlex.

Tools:

• LoadUI - Free open source load testing tool.
• SoapUI - you can record the FireFox browser user activities and replay them later :) - refer to this article.
• http://www.loadtestingtool.com/product.shtml
• Stress tools from Microsoft here
• Web Capacity Analysis Tool (WCAT) - this tool is mainly used for performance testing.
• Web Load: open source load testing tool
• http://www.testingreflections.com/node/view/3622
• http://www.softwareqatest.com/qatweb1.html
• JMeter: a free performance test tool

Performance/Memory Profilers:

• Process Explorer
• RedGate ANTS Memory Profiler

Monitoring Tools:

• http://www.nagios.org/about/
• Video: http://www.red-gate.com/products/ants_memory_profiler/DOTNET_Memory_Management/index.html