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   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;