<?php
/**
- * Show statistics from the cache
+ * Show statistics from the cache.
*
* 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
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
+ * @file
* @ingroup Maintenance
*/
-require_once( dirname( __FILE__ ) . '/Maintenance.php' );
+require_once( __DIR__ . '/Maintenance.php' );
+/**
+ * Maintenance script that shows statistics from the cache.
+ *
+ * @ingroup Maintenance
+ */
class CacheStats extends Maintenance {
public function __construct() {
parent::__construct();
}
+ public function getDbType() {
+ return Maintenance::DB_NONE;
+ }
+
public function execute() {
global $wgMemc;
// Can't do stats if
- if ( get_class( $wgMemc ) == 'FakeMemCachedClient' ) {
- $this->error( "You are running FakeMemCachedClient, I can not provide any statistics.", true );
+ if ( get_class( $wgMemc ) == 'EmptyBagOStuff' ) {
+ $this->error( "You are running EmptyBagOStuff, I can not provide any statistics.", true );
}
$session = intval( $wgMemc->get( wfMemcKey( 'stats', 'request_with_session' ) ) );
$noSession = intval( $wgMemc->get( wfMemcKey( 'stats', 'request_without_session' ) ) );
$this->output( "\nParser cache\n" );
$hits = intval( $wgMemc->get( wfMemcKey( 'stats', 'pcache_hit' ) ) );
- $invalid = intval( $wgMemc->get( wfMemcKey( 'stats', 'pcache_miss_invalid' ) ) );
$expired = intval( $wgMemc->get( wfMemcKey( 'stats', 'pcache_miss_expired' ) ) );
$absent = intval( $wgMemc->get( wfMemcKey( 'stats', 'pcache_miss_absent' ) ) );
$stub = intval( $wgMemc->get( wfMemcKey( 'stats', 'pcache_miss_stub' ) ) );
- $total = $hits + $invalid + $expired + $absent + $stub;
- $this->output( sprintf( "hits: %-10d %6.2f%%\n", $hits, $hits / $total * 100 ) );
- $this->output( sprintf( "invalid: %-10d %6.2f%%\n", $invalid, $invalid / $total * 100 ) );
- $this->output( sprintf( "expired: %-10d %6.2f%%\n", $expired, $expired / $total * 100 ) );
- $this->output( sprintf( "absent: %-10d %6.2f%%\n", $absent, $absent / $total * 100 ) );
- $this->output( sprintf( "stub threshold: %-10d %6.2f%%\n", $stub, $stub / $total * 100 ) );
- $this->output( sprintf( "total: %-10d %6.2f%%\n", $total, 100 ) );
+ $total = $hits + $expired + $absent + $stub;
+ if ( $total ) {
+ $this->output( sprintf( "hits: %-10d %6.2f%%\n", $hits, $hits / $total * 100 ) );
+ $this->output( sprintf( "expired: %-10d %6.2f%%\n", $expired, $expired / $total * 100 ) );
+ $this->output( sprintf( "absent: %-10d %6.2f%%\n", $absent, $absent / $total * 100 ) );
+ $this->output( sprintf( "stub threshold: %-10d %6.2f%%\n", $stub, $stub / $total * 100 ) );
+ $this->output( sprintf( "total: %-10d %6.2f%%\n", $total, 100 ) );
+ } else {
+ $this->output( "no statistics available\n" );
+ }
+ $this->output( "\nImage cache\n" );
$hits = intval( $wgMemc->get( wfMemcKey( 'stats', 'image_cache_hit' ) ) );
$misses = intval( $wgMemc->get( wfMemcKey( 'stats', 'image_cache_miss' ) ) );
$updates = intval( $wgMemc->get( wfMemcKey( 'stats', 'image_cache_update' ) ) );
$total = $hits + $misses;
- $this->output( "\nImage cache\n" );
- $this->output( sprintf( "hits: %-10d %6.2f%%\n", $hits, $hits / $total * 100 ) );
- $this->output( sprintf( "misses: %-10d %6.2f%%\n", $misses, $misses / $total * 100 ) );
- $this->output( sprintf( "updates: %-10d\n", $updates ) );
+ if ( $total ) {
+ $this->output( sprintf( "hits: %-10d %6.2f%%\n", $hits, $hits / $total * 100 ) );
+ $this->output( sprintf( "misses: %-10d %6.2f%%\n", $misses, $misses / $total * 100 ) );
+ $this->output( sprintf( "updates: %-10d\n", $updates ) );
+ } else {
+ $this->output( "no statistics available\n" );
+ }
+ $this->output( "\nDiff cache\n" );
$hits = intval( $wgMemc->get( wfMemcKey( 'stats', 'diff_cache_hit' ) ) );
$misses = intval( $wgMemc->get( wfMemcKey( 'stats', 'diff_cache_miss' ) ) );
$uncacheable = intval( $wgMemc->get( wfMemcKey( 'stats', 'diff_uncacheable' ) ) );
$total = $hits + $misses + $uncacheable;
- $this->output( "\nDiff cache\n" );
- $this->output( sprintf( "hits: %-10d %6.2f%%\n", $hits, $hits / $total * 100 ) );
- $this->output( sprintf( "misses: %-10d %6.2f%%\n", $misses, $misses / $total * 100 ) );
- $this->output( sprintf( "uncacheable: %-10d %6.2f%%\n", $uncacheable, $uncacheable / $total * 100 ) );
+ if ( $total ) {
+ $this->output( sprintf( "hits: %-10d %6.2f%%\n", $hits, $hits / $total * 100 ) );
+ $this->output( sprintf( "misses: %-10d %6.2f%%\n", $misses, $misses / $total * 100 ) );
+ $this->output( sprintf( "uncacheable: %-10d %6.2f%%\n", $uncacheable, $uncacheable / $total * 100 ) );
+ } else {
+ $this->output( "no statistics available\n" );
+ }
}
}
$maintClass = "CacheStats";
-require_once( DO_MAINTENANCE );
+require_once( RUN_MAINTENANCE_IF_MAIN );