Performance tuning is the process of modifying a system to improve its efficiency. This is also known as optimizing.

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Diagnosing poor performance on IIS / ASP.NET / MSSQL app

I'm trying to diagnose the cause of poor performance from a third-party web application we've deployed; the environment is: ASP.NET on IIS, Windows 2003 Server SQL Server 2008 on a separate Windows ...
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MySQL performance problems on particular vhosts

I have a dedicated server setup (8 cores, 16 GB of RAM), running Ubuntu 12.04 LTS with latest updates, and I am experiencing some performance problems related to MySQL. I have multiple vhosts active. ...
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what to check for limitations if a linux machine maxes out at a certain connection/s

I have a linux machine with a dummy HTTP server on it. It accepts a certain number of connections/second. Neither the CPU (it is a multicore) nor the memory nor IO are exhausted. What else can be ...