DeServ – Info

In part one of this series I tested the raw throughput performance of Varnish and Squid.  My results are consistent with all the blogs and comments floating around the blogosphere – Varnish blows away Squid.

Unfortunately, the first series of tests were somewhat uninformative.  Since they only tested the raw performance of serving cached content from memory, it did not mimic a real world scenario of serving cached content as well as fetching content from the backend and caching it. Leia mais…

Typical web applications require dozens of SQL queries to generate a single page.  When your application is serving over 1,000,000 pages per day, you quickly realize that the performance bottleneck is your database.  The typical answer to slow database queries is “just use memcached!”  Memcached and other data caches can only take you so far.  This is where reverse proxies come in.  There are a handful of them out there, including Nginx, Perlbal, Squid and Varnish.  Which to use is up to you.

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O Squid é sem dúvida um dos mais poderosos e completos sistemas de caching proxy do mercado. Para nossa sorte, é livre e conhecido por funcionar muito bem no FreeBSD. O Squid é utilizado frequentemente como servidor de procuração e cacheamento de dados servindo uma rede ou algumas estações, para acesso à grande rede.  Leia mais…