Performance Tuning PostgreSQL
Introduction PostgreSQL is the most advanced and flexible Open Source SQL database today. With this power and flexibility comes a problem. How do the PostgreSQL developers tune the default configuration for everyone? Unfortunately the answer is they can't. The problem is that every database is not only different in its design, but also its requirements. Some systems are used to log mountains of da
Htaccess - THE Ultimate .htaccess tutorial with 100's of Examples
Htaccess is a very ancient configuration file that controls the Web Server running your website, and is one of the most powerful configuration files you will ever come across. htaccess has the ability to control access/settings for the HyperText Transfer Protocol (HTTP) using Password Protection, 301 Redirects, rewrites, and much much more. This is because this configuration file was coded in the
MySQLパフォーマンスに関する84のTIPS:phpspot開発日誌
Top 84 MySQL Performance Tips -- Debian Admin MySQL is a widely used and fast SQL database server. It is a client/server implementation that consists of a server daemon (mysqld) and many different client programs/libraries. MySQLパフォーマンスに関する84のTIPS. 次のような感じのTIPSが84紹介されてるということで一度は目を通しておきたいですね。 以下、流し読みでメモ クエリのプロファイルにはExplain文を使おう スロークエリログを活用しよう GROUP BY を使うときは DISTINCTを使わない LIMIT m,n はそんなに速くないかも inno
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