Professional Website Performance by Peter Smith

Author:Peter Smith
Language: eng
Format: mobi
Publisher: John Wiley & Sons
Published: 2012-11-08T16:00:00+00:00

WORKING WITH THE QUERY CACHE

One of the most important features of MySQL (from a performance perspective) is the query cache. First introduced in version 4.0.1, this is a built-in feature that can be used to cache SELECT queries and their responses, resulting in significant performance boosts for frequently run queries. It’s not without its problems, though, and this section looks at advantages and disadvantages of using the cache, along with ways to monitor and manage it.

Understanding How the Query Cache Works

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