<?php
-
/**
* Shows database lag
*
+ * 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( dirname(__FILE__) . '/Maintenance.php' );
+require_once( __DIR__ . '/Maintenance.php' );
+/**
+ * Maintenance script to show database lag.
+ *
+ * @ingroup Maintenance
+ */
class DatabaseLag extends Maintenance {
public function __construct() {
parent::__construct();
public function execute() {
if ( $this->hasOption( 'r' ) ) {
$lb = wfGetLB();
- $this->output( 'time ' );
- for( $i = 0; $i < $lb->getServerCount(); $i++ ) {
+ echo 'time ';
+ for ( $i = 1; $i < $lb->getServerCount(); $i++ ) {
$hostname = $lb->getServerName( $i );
- $this->output( sprintf( "%-12s ", $hostname ) );
+ printf( "%-12s ", $hostname );
}
- $this->output( "\n" );
+ echo "\n";
- while( 1 ) {
+ while ( 1 ) {
+ $lb->clearLagTimeCache();
$lags = $lb->getLagTimes();
unset( $lags[0] );
- $this->output( gmdate( 'H:i:s' ) . ' ' );
- foreach( $lags as $i => $lag ) {
- $this->output( sprintf( "%-12s " , $lag === false ? 'false' : $lag ) );
+ echo gmdate( 'H:i:s' ) . ' ';
+ foreach ( $lags as $lag ) {
+ printf( "%-12s " , $lag === false ? 'false' : $lag );
}
- $this->output( "\n" );
+ echo "\n";
sleep( 5 );
}
} else {
$lb = wfGetLB();
$lags = $lb->getLagTimes();
- foreach( $lags as $i => $lag ) {
+ foreach ( $lags as $i => $lag ) {
$name = $lb->getServerName( $i );
$this->output( sprintf( "%-20s %s\n" , $name, $lag === false ? 'false' : $lag ) );
}
}
$maintClass = "DatabaseLag";
-require_once( DO_MAINTENANCE );
+require_once( RUN_MAINTENANCE_IF_MAIN );