Windows performance [rss]

Windows performance tips & optimizations
posted Tuesday, December 20, 2005 6:36 AM by robertvv :: 0 Comments

Calculating single disk performance for random I/O

I have been doing a lot of performance analysis lately. Nine out of ten times the bad performance is caused by a not optimized storage solution. Why? When data doesn't fit into the memory of a server, it has to come from disk sooner or later. In my experience Read More

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posted Monday, December 19, 2005 9:32 PM by robertvv :: 0 Comments

To be or not to be... Anti Virus solutions on a server

Not to be... (at least not always) Why? Simple, try to image, you are a real time mail server, doing 5000 I/O's per second and you're interrupted everytime by Anti Virus (AV) software when you try to write, or even worse try to read to and from a storage Read More
posted Monday, December 19, 2005 8:43 PM by robertvv :: 0 Comments

The sense and nonsense of scalability by adding CPU's

I'm often faced with the following customer situation: "I added additional CPU's to the system because the average CPU utilization exceeded 80%, but the application doesn't run any smoother. Why is that?". Well, let me try to explain. To determine a Read More

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posted Thursday, December 15, 2005 6:31 AM by robertvv :: 0 Comments

Windows Server Performance considerations - introduction

The last months I am more and more engaged in accounts who often experience serious performance issues. By the time I am called on to the scene, they status of the account is usually at a critical level. After I have done my research, I often write a Read More

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posted Sunday, July 03, 2005 6:15 PM by robertvv :: 1 Comments

Why RAID-5 is a potential disk performance killer

I often come across environments where databases perform poorly. When I do analyses of those environments (one needs to analyze an entire E2E chain instead of just one component before drawing any conclusions), I often run into poorly configured systems. Read More

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