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<?php
/**
* Makes several 'set', 'incr' and 'get' requests on every memcached
* server and shows a report.
*
* 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
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
* @ingroup Maintenance
*/
require_once( __DIR__ . '/Maintenance.php' );
/**
* Maintenance script that makes several 'set', 'incr' and 'get' requests
* on every memcached server and shows a report.
*
* @ingroup Maintenance
*/
class mcTest extends Maintenance {
public function __construct() {
parent::__construct();
$this->mDescription = "Makes several 'set', 'incr' and 'get' requests on every"
. " memcached server and shows a report";
$this->addOption( 'i', 'Number of iterations', false, true );
$this->addOption( 'cache', 'Use servers from this $wgObjectCaches store', false, true );
$this->addArg( 'server[:port]', 'Memcached server to test, with optional port', false );
}
public function execute() {
global $wgMainCacheType, $wgMemCachedTimeout, $wgObjectCaches;
$cache = $this->getOption( 'cache' );
$iterations = $this->getOption( 'i', 100 );
if ( $cache ) {
if ( !isset( $wgObjectCaches[$cache] ) ) {
$this->error( "MediaWiki isn't configured with a cache named '$cache'", 1 );
}
$servers = $wgObjectCaches[$cache]['servers'];
} elseif ( $this->hasArg() ) {
$servers = array( $this->getArg() );
} elseif ( $wgMainCacheType === CACHE_MEMCACHED ) {
global $wgMemCachedServers;
$servers = $wgMemCachedServers ;
} elseif ( isset( $wgObjectCaches[$wgMainCacheType]['servers'] ) ) {
$servers = $wgObjectCaches[$wgMainCacheType]['servers'];
} else {
$this->error( "MediaWiki isn't configured for Memcached usage", 1 );
}
foreach ( $servers as $server ) {
$this->output( $server . " ", $server );
$mcc = new MemCachedClientforWiki( array(
'persistant' => true,
'timeout' => $wgMemCachedTimeout
) );
$mcc->set_servers( array( $server ) );
$set = 0;
$incr = 0;
$get = 0;
$time_start = $this->microtime_float();
for ( $i = 1; $i <= $iterations; $i++ ) {
if ( !is_null( $mcc->set( "test$i", $i ) ) ) {
$set++;
}
}
for ( $i = 1; $i <= $iterations; $i++ ) {
if ( !is_null( $mcc->incr( "test$i", $i ) ) ) {
$incr++;
}
}
for ( $i = 1; $i <= $iterations; $i++ ) {
$value = $mcc->get( "test$i" );
if ( $value == $i * 2 ) {
$get++;
}
}
$exectime = $this->microtime_float() - $time_start;
$this->output( "set: $set incr: $incr get: $get time: $exectime", $server );
}
}
/**
* Return microtime() as a float
* @return float
*/
private function microtime_float() {
list( $usec, $sec ) = explode( " ", microtime() );
return ( (float)$usec + (float)$sec );
}
}
$maintClass = "mcTest";
require_once( RUN_MAINTENANCE_IF_MAIN );
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