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Displaying posts with tag: Goal-Driven Performance Optimization (reset)

Response-time optimization in systems that are queued
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The best overall method of performance optimization is optimization for response time. Users care about response time, not load average or cache hit ratios. The job of a system is to accept some request and do the required work, and deliver a result. The time elapsed between the request and the result is the response time.

Methods of Response Time Optimization

Not all optimization methods are created equal. Here are a few I see commonly.

  • No method. Most people simply have no method of performance optimization at all. They just look for things that look “bad” and try to make …
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Recap of Enterprise LAMP Summit and Camp
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Last week I attended the Enterprise LAMP Summit and Camp in Nashville, Tennessee. I enjoyed the event and met or reconnected with a lot of great people. I was glad to be able to spend time with some folks from the Postgres community. My own sessions focused on MySQL.

During the Summit I tried to help people understand how to think about performance, and made the case that the Percona versions of the MySQL server are not only the highest-performance available, but uniquely provide the instrumentation necessary to follow a disciplined performance optimization process such as …

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