[pLog-svn] MMCache Statistics

[Matt]

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Additions to php.ini
^^^
extension=mmcache.so

I decided on MMCache (http://turck-mmcache.sourceforge.net/) mainly
because it has gotten rather good reviews within the community... It was
pretty much a snap to install from source.

I installed MMCache from source following the basic instructions on the
mmcache website.. it was rather straight forward...

^^^
$ phpize
$ ./configure --with-gnu-ld --with-mmcache --enable-shared
- --disable-static --with-php-config=/usr/bin/php4-config
# make install
^^^

Then happily start editing the php.ini file...

^^^
;;mmcache settings
;;optimized for plog 1.0.2

;;found this was about what we needed
;;for all plog classes/cached templates
mmcache.shm_size = 20
mmcache.enable = 1
mmcache.optimizer = 1

;;check for modified php files...
;;could remove this for a production
;;server and save some disk access time
mmcache.check_mtime = 1
mmcache.debug = 0

;;every file
mmcache.filter =
mmcache.shm_max = 0
mmcache.shm_ttl = 0
mmcache.shm_prune_period = 0
;;use only shared memory... screw disk
mmcache.shm_only = 1
;;lose some memory... gain some cpu
mmcache.compress = 0

;;end mmcache settings
^^^

I got around a 45% gain when not caching... 65% gain when caching
(smarty's templates are still executing crap... I also have my plugins
out of the cached if statement in blogview).

~1.1 seconds average execute with ~0.8sec mysql overhead... this is a
strong indicator to me at least that there is alot of mysql optimization
that needs to occur in the future.

Lag from smarty is nonexistant. ADODB average lag time ~.15seconds...
Lag from pLog classes mainly

These performance gains are rather low compared to other php programs on
the same server... for example my forums had almost an 110% gain in
speed... it could be from all the files in pLog.

Your milage will probably vary.

Less time to type tonight :)...

- --
Matt (matt\ at\ woodzy.com)       Public Key: woodzy.com/woodzy.gpg.asc
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