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Performance Monitoring and Capacity Planning

At work we’ve just finished our first month of live operation for a large new system.  Now that the teething problems are past, we need to be sure we understand how the system performs as it grows. 

I was hunting around for tools like Orca or Cacti which provide graphical presentation of Load vs Capacity trending over time.

This is interesting information, but it is only part of the question. While hunting I came across Adrian Cockroft’s Capaciity Planning Blog. He shared an interesting concept he picked up at eBay called time-to-live which is a function of headroom and growth.

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