Re: [users@httpd] Re: Why does each Apache child process consume 5 MB of RAM?

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On Thu, 28 Jul 2005, dtufs wrote:

The Apache server runs on Debian 3.1 (latest stable),
2.4.x kernel.

Okay, so first, remove all the modules (if they're being dynamically loaded) and see how much ram each child uses. If it's not <1.5 megs, stop there and try a different webserver (or compile with less compiled in statically).

Second, go to www.apache.org, look up the directives for each module you have running, determine if you need that functionality, and remove if so/if not.

PHP is a definite piggy.  Most of the others are fairly small.

You could always run PHP as a CGI, which MIGHT save you something -- simply because it wouldn't be a part of every child (but each child would still have to load the php binary -- but if your message board only has occasional hits there may be a savings).

Just my 0.02.

-Dan Mahoney



The following modules are loaded:

mod_php4.c, mod_ssl.c, mod_setenvif.c, mod_expires.c,
mod_auth.c, mod_access.c, mod_rewrite.c, mod_alias.c,
mod_cgi.c, mod_dir.c, mod_autoindex.c, mod_info.c,
mod_status.c, mod_negotiation.c, mod_mime.c,
mod_mime_magic.c, mod_log_config.c, mod_chroot.c,
mod_macro.c, mod_so.c, http_core.c

I'm not sure if all are needed. MySQL is needed
because of our forum (phpbb).

We really need to reduce it from 5MB to 1.5 MB or
less. Any help will be greatly appreciated. Thanks.



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--------Dan Mahoney--------
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