maintenance/stats.php

   1 <?php
   2 /**
   3  * Show statistics from memcached
   4  * @ingroup Maintenance
   5  */
   6
   7 require_once( "Maintenance.php" );
   8
   9 class MemcachedStats extends Maintenance {
  10
  11         public function __construct() {
  12                 $this->mDescription = "Show statistics from memcached";
  13         }
  14
  15         public function execute() {
  16                 global $wgMemc;
  17
  18                 // Can't do stats if
  19                 if( get_class( $wgMemc ) == 'FakeMemCachedClient' ) {
  20                         $this->error( "You are running FakeMemCachedClient, I can not provide any statistics.\n", true );
  21                 }
  22                 $session = intval($wgMemc->get(wfMemcKey('stats','request_with_session')));
  23                 $noSession = intval($wgMemc->get(wfMemcKey('stats','request_without_session')));
  24                 $total = $session + $noSession;
  25                 if ( $total == 0 ) {
  26                         $this->error( "You either have no stats or memcached isn't running. Aborting.\n", true );
  27                 }
  28                 $this->output( "Requests\n" );
  29                 $this->output( sprintf( "with session:      %-10d %6.2f%%\n", $session, $session/$total*100 );
  30                 $this->output( sprintf( "without session:   %-10d %6.2f%%\n", $noSession, $noSession/$total*100 );
  31                 $this->output( sprintf( "total:             %-10d %6.2f%%\n", $total, 100 );
  32
  33
  34                 $this->output( "\nParser cache\n" );
  35                 $hits = intval($wgMemc->get(wfMemcKey('stats','pcache_hit')));
  36                 $invalid = intval($wgMemc->get(wfMemcKey('stats','pcache_miss_invalid')));
  37                 $expired = intval($wgMemc->get(wfMemcKey('stats','pcache_miss_expired')));
  38                 $absent = intval($wgMemc->get(wfMemcKey('stats','pcache_miss_absent')));
  39                 $stub = intval($wgMemc->get(wfMemcKey('stats','pcache_miss_stub')));
  40                 $total = $hits + $invalid + $expired + $absent + $stub;
  41                 $this->output( sprintf( "hits:              %-10d %6.2f%%\n", $hits, $hits/$total*100 ) );
  42                 $this->output( sprintf( "invalid:           %-10d %6.2f%%\n", $invalid, $invalid/$total*100 ) );
  43                 $this->output( sprintf( "expired:           %-10d %6.2f%%\n", $expired, $expired/$total*100 ) );
  44                 $this->output( sprintf( "absent:            %-10d %6.2f%%\n", $absent, $absent/$total*100 ) );
  45                 $this->output( sprintf( "stub threshold:    %-10d %6.2f%%\n", $stub, $stub/$total*100 ) );
  46                 $this->output( sprintf( "total:             %-10d %6.2f%%\n", $total, 100 ) );
  47
  48                 $hits = intval($wgMemc->get(wfMemcKey('stats','image_cache_hit')));
  49                 $misses = intval($wgMemc->get(wfMemcKey('stats','image_cache_miss')));
  50                 $updates = intval($wgMemc->get(wfMemcKey('stats','image_cache_update')));
  51                 $total = $hits + $misses;
  52                 $this->output("\nImage cache\n");
  53                 $this->output( sprintf( "hits:              %-10d %6.2f%%\n", $hits, $hits/$total*100 ) );
  54                 $this->output( sprintf( "misses:            %-10d %6.2f%%\n", $misses, $misses/$total*100 ) );
  55                 $this->output( sprintf( "updates:           %-10d\n", $updates ) );
  56
  57                 $hits = intval($wgMemc->get(wfMemcKey('stats','diff_cache_hit')));
  58                 $misses = intval($wgMemc->get(wfMemcKey('stats','diff_cache_miss')));
  59                 $uncacheable = intval($wgMemc->get(wfMemcKey('stats','diff_uncacheable')));
  60                 $total = $hits + $misses + $uncacheable;
  61                 $this->output("\nDiff cache\n");
  62                 $this->output( sprintf( "hits:              %-10d %6.2f%%\n", $hits, $hits/$total*100 );
  63                 $this->output( sprintf( "misses:            %-10d %6.2f%%\n", $misses, $misses/$total*100 );
  64                 $this->output( sprintf( "uncacheable:       %-10d %6.2f%%\n", $uncacheable, $uncacheable/$total*100 );
  65         }
  66 }
  67
  68 $maintClass = "MemcachedStats";
  69 require_once( DO_MAINTENANCE );
  70
  71
  72
  73