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php-db | 2001062
Date: 06/22/01
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On Thu, 21 June 2001, "Christopher Ostmo" wrote:
> The persistence of the DB connection follows the child process that
> serves your individual web page request. The first time a child process
> requests a persistent DB connection, it will maintain that connection
> until the child process dies. The problem is that when you are on a web
> site, when you request a page, the page is served and you disconnect
> from the child process. The next request to the same site will use one
> of the other open child processes - not necessarily (and probably not
> usually) the same one. The default configuration of Apache is to keep
> 10 spare child processes running at all times. On busy and semi-busy
> servers, child processes are created and destroyed regularly. Once the
> child process is destroyed, the database connection is destroyed with it.
>
> The bright side is that the connections are actually persistent, which
> means that you will in fact benefit. The down side is that you are not
> going to always get the same persistent connection for each request.
> Doing so would probably not be possible over a stateless connection
> (as HTTP connections are).
>
> http://www.php.net/manual/en/features.persistent-connections.php
> Explains this in pretty good detail.
>
thank you very much, Christopher, I had just submitted a bug (http://bugs.php.net/?id=11614) when I understood what you said (the key words are "you are not going to always get THE SAME persistent connection")
bye,
--Giuse
http://boltthrower.webhop.org
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- Next message: snpe: "Re: [PHP-DB] Does PHP work with MSSQL 2000?"
- Previous message: Steve Brett: "RE: [PHP-DB] 1 is not a valid PostgreSQL link resource"
- Maybe in reply to: boltthrower <email protected>: "[PHP-DB] passing db persistent connections through different pages"
- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
