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Displaying posts with tag: table cache (reset)

Implications of Metadata Locking Changes in MySQL 5.5
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While most of the talk recently has mostly been around the new changes in MySQL 5.6 (and that is understandable), I have had lately some very interesting cases to deal with, with respect to the Metadata Locking related changes that were introduced in MySQL 5.5.3. It appears that the implications of Metadata Locking have not been covered well, and since there are still a large number of MySQL 5.0 and 5.1 installations that would upgrade or are in the process of upgrading to MySQL 5.5, I thought it necessary to discuss what these implications exactly are.

To read what Metadata Locking exactly is please read …

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Tuning MySQL Server Settings
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The default configuration file for MySQL is intended not to use many resources, because its a general purpose sort of a configuration file. The default configuration does enough to have MySQL running happily with limited resources and catering to simple queries and small data-sets. The configuration file would most definitely need to be customized and tuned if you intend on using complex queries and when you have good amount of data. Most of the tunings mentioned in this post are applicable to the MyISAM storage engine, I will soon be posting tunings applicable to the Innodb storage engine. Getting started...

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