maintenance/mctest.php

   1 <?php
   2 /**
   3  * This script makes several 'set', 'incr' and 'get' requests on every
   4  * memcached server and shows a report.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  19  * http://www.gnu.org/copyleft/gpl.html
  20  *
  21  * @ingroup Maintenance
  22  */
  23
  24 require_once( dirname( __FILE__ ) . '/Maintenance.php' );
  25
  26 class mcTest extends Maintenance {
  27         public function __construct() {
  28                 parent::__construct();
  29                 $this->mDescription = "Makes several 'set', 'incr' and 'get' requests on every"
  30                                                           . " memcached server and shows a report";
  31                 $this->addOption( 'i', 'Number of iterations', false, true );
  32                 $this->addArg( 'server[:port]', 'Memcached server to test, with optional port', false );
  33         }
  34
  35         public function execute() {
  36                 global $wgMemCachedServers, $wgMemCachedTimeout;
  37
  38                 $iterations = $this->getOption( 'i', 100 );
  39                 if ( $this->hasArg() ) {
  40                         $wgMemCachedServers = array( $this->getArg() );
  41                 }
  42
  43                 foreach ( $wgMemCachedServers as $server ) {
  44                         $this->output( $server . " ", $server );
  45                         $mcc = new MemCachedClientforWiki( array(
  46                                 'persistant' => true,
  47                                 'timeout' => $wgMemCachedTimeout
  48                         ) );
  49                         $mcc->set_servers( array( $server ) );
  50                         $set = 0;
  51                         $incr = 0;
  52                         $get = 0;
  53                         $time_start = $this->microtime_float();
  54                         for ( $i = 1; $i <= $iterations; $i++ ) {
  55                                 if ( !is_null( $mcc->set( "test$i", $i ) ) ) {
  56                                         $set++;
  57                                 }
  58                         }
  59                         for ( $i = 1; $i <= $iterations; $i++ ) {
  60                                 if ( !is_null( $mcc->incr( "test$i", $i ) ) ) {
  61                                         $incr++;
  62                                 }
  63                         }
  64                         for ( $i = 1; $i <= $iterations; $i++ ) {
  65                                 $value = $mcc->get( "test$i" );
  66                                 if ( $value == $i * 2 ) {
  67                                         $get++;
  68                                 }
  69                         }
  70                         $exectime = $this->microtime_float() - $time_start;
  71
  72                         $this->output( "set: $set   incr: $incr   get: $get time: $exectime", $server );
  73                 }
  74         }
  75
  76         /**
  77          * Return microtime() as a float
  78          * @return float
  79          */
  80         private function microtime_float() {
  81                 list( $usec, $sec ) = explode( " ", microtime() );
  82                 return ( (float)$usec + (float)$sec );
  83         }
  84 }
  85
  86 $maintClass = "mcTest";
  87 require_once( RUN_MAINTENANCE_IF_MAIN );