Re: [PHP-DEV] Sessio variables and Load Balancing From: Daniel Beckham (danbeck <email protected>)
Date: 06/30/00

At 02:40 PM 06/30/2000 -0700, you wrote:
>The session read handler should be called once at the start of the page and
>the write handler once at the end. With a decent session handler, it's 2
>queries per page (SELECT,UPDATE), with an additional INSERT when the session
>is first created and a DELETE when session_destroy() is called.

Right, that is more efficient instead of re-inserting the data at every
register or unregister call. But, if you work the numbers for a site that
gets 25K worth of pageviews per day you are making an average of 1 query
every 2 seconds just for session information. And that's average.. not
what it would be during peak times and not including existing queries for
content related stuff. That sounds sort of high just for serving
pages. Maybe I'm wrong.

Daniel 

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