maintenance/clearCacheStats.php

   1 <?php
   2 /**
   3  * Removes all statistics tracking from the cache.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  * http://www.gnu.org/copyleft/gpl.html
  19  *
  20  * @file
  21  * @ingroup Maintenance
  22  */
  23
  24 require_once __DIR__ . '/Maintenance.php';
  25
  26 /**
  27  * Maintenance script to remove all statistics tracking from the cache.
  28  *
  29  * @ingroup Maintenance
  30  */
  31 class ClearCacheStats extends Maintenance {
  32
  33         public function __construct() {
  34                 parent::__construct();
  35                 $this->mDescription = "Remove all statistics tracking from the cache";
  36         }
  37
  38         public function execute() {
  39                 global $wgLocalDatabases, $wgMemc;
  40                 foreach ( $wgLocalDatabases as $db ) {
  41                         $wgMemc->delete( "$db:stats:request_with_session" );
  42                         $wgMemc->delete( "$db:stats:request_without_session" );
  43                         $wgMemc->delete( "$db:stats:pcache_hit" );
  44                         $wgMemc->delete( "$db:stats:pcache_miss_expired" );
  45                         $wgMemc->delete( "$db:stats:pcache_miss_absent" );
  46                         $wgMemc->delete( "$db:stats:pcache_miss_stub" );
  47                         $wgMemc->delete( "$db:stats:image_cache_hit" );
  48                         $wgMemc->delete( "$db:stats:image_cache_miss" );
  49                         $wgMemc->delete( "$db:stats:image_cache_update" );
  50                         $wgMemc->delete( "$db:stats:diff_cache_hit" );
  51                         $wgMemc->delete( "$db:stats:diff_cache_miss" );
  52                         $wgMemc->delete( "$db:stats:diff_uncacheable" );
  53                         $wgMemc->delete( "$db:stats:job-insert" );
  54                         $wgMemc->delete( "$db:stats:job-pop" );
  55                 }
  56         }
  57 }
  58
  59 $maintClass = "ClearCacheStats";
  60 require_once RUN_MAINTENANCE_IF_MAIN;