diff options
author | Pierre Schmitz <pierre@archlinux.de> | 2011-12-03 13:29:22 +0100 |
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committer | Pierre Schmitz <pierre@archlinux.de> | 2011-12-03 13:29:22 +0100 |
commit | ca32f08966f1b51fcb19460f0996bb0c4048e6fe (patch) | |
tree | ec04cc15b867bc21eedca904cea9af0254531a11 /maintenance/benchmarks/benchmarkPurge.php | |
parent | a22fbfc60f36f5f7ee10d5ae6fe347340c2ee67c (diff) |
Update to MediaWiki 1.18.0
* also update ArchLinux skin to chagnes in MonoBook
* Use only css to hide our menu bar when printing
Diffstat (limited to 'maintenance/benchmarks/benchmarkPurge.php')
-rw-r--r-- | maintenance/benchmarks/benchmarkPurge.php | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/maintenance/benchmarks/benchmarkPurge.php b/maintenance/benchmarks/benchmarkPurge.php new file mode 100644 index 00000000..4ab7aa10 --- /dev/null +++ b/maintenance/benchmarks/benchmarkPurge.php @@ -0,0 +1,106 @@ +<?php +/** + * Squid purge benchmark script + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * http://www.gnu.org/copyleft/gpl.html + * + * @file + * @ingroup Maintenance + */ + +require_once( dirname( __FILE__ ) . '/Benchmarker.php' ); + +class BenchmarkPurge extends Benchmarker { + + public function __construct() { + parent::__construct(); + $this->mDescription = "Benchmark the Squid purge functions."; + } + + public function execute() { + global $wgUseSquid, $wgSquidServers; + if ( !$wgUseSquid ) { + $this->error( "Squid purge benchmark doesn't do much without squid support on.", true ); + } else { + $this->output( "There are " . count( $wgSquidServers ) . " defined squid servers:\n" ); + if ( $this->hasOption( 'count' ) ) { + $lengths = array( intval( $this->getOption( 'count' ) ) ); + } else { + $lengths = array( 1, 10, 100 ); + } + foreach ( $lengths as $length ) { + $urls = $this->randomUrlList( $length ); + $trial = $this->benchSquid( $urls ); + $this->output( $trial . "\n" ); + } + } + } + + /** + * Run a bunch of URLs through SquidUpdate::purge() + * to benchmark Squid response times. + * @param $urls array A bunch of URLs to purge + * @param $trials int How many times to run the test? + */ + private function benchSquid( $urls, $trials = 1 ) { + $start = wfTime(); + for ( $i = 0; $i < $trials; $i++ ) { + SquidUpdate::purge( $urls ); + } + $delta = wfTime() - $start; + $pertrial = $delta / $trials; + $pertitle = $pertrial / count( $urls ); + return sprintf( "%4d titles in %6.2fms (%6.2fms each)", + count( $urls ), $pertrial * 1000.0, $pertitle * 1000.0 ); + } + + /** + * Get an array of randomUrl()'s. + * @param $length int How many urls to add to the array + */ + private function randomUrlList( $length ) { + $list = array(); + for ( $i = 0; $i < $length; $i++ ) { + $list[] = $this->randomUrl(); + } + return $list; + } + + /** + * Return a random URL of the wiki. Not necessarily an actual title in the + * database, but at least a URL that looks like one. + */ + private function randomUrl() { + global $wgServer, $wgArticlePath; + return $wgServer . str_replace( '$1', $this->randomTitle(), $wgArticlePath ); + } + + /** + * Create a random title string (not necessarily a Title object). + * For use with randomUrl(). + */ + private function randomTitle() { + $str = ''; + $length = mt_rand( 1, 20 ); + for ( $i = 0; $i < $length; $i++ ) { + $str .= chr( mt_rand( ord( 'a' ), ord( 'z' ) ) ); + } + return ucfirst( $str ); + } +} + +$maintClass = "BenchmarkPurge"; +require_once( RUN_MAINTENANCE_IF_MAIN ); |