Posts

MySQL fix. Image via Flickr by Luis M. Gallardo D

Are you running into MySQL load problems? Learn how to tune MySQL servers for a heavy InnoDB workload, by configuring innodb_buffer_pool_instances. Dividing the InnoDB buffer pool into multiple instances improves Disk I/O. By doing so, you run your database and website more efficiently and faster. Here is a little help for you.

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High Performance MySQL

How to flush MySQL query_cache to prevent fragmentation of free query cache memory space? Here is a how to for unattended and automatically clearing MySQL’s query cache using a Linux cronjob. And I’ll show you how to on the mysql shell.

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In November 2011, I wrote a post about MySQL query caching with PHP/Zend_Cache, and I recently stumbled upon a blog post caching MySQL query results in memcached by “KutuKupret”. This made me wonder if the same would be easily done with the Windows Cache Extension for PHP.

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By using the Cache.php PHP class of the Zend Framework, you can relatively easy cache MySQL query results to disk. This ensures faster consecutive results and speeds up execution. In this context, caching means: execute a MySQL query once and save the result in a temporary file. For every time that same query is executed, you can simply use the result stored in your disk cache file, as long as the database hasn’t changed. Often it is faster to save this on the web server than having it to redo the query every time.

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