ea93933ee9
* Fixed breakage due to lag time cache, based on a hack in the WMF working copy. * Tested locally.
51 lines
1.2 KiB
PHP
51 lines
1.2 KiB
PHP
<?php
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/**
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* Shows database lag
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*
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* @ingroup Maintenance
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*/
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require_once( dirname(__FILE__) . '/Maintenance.php' );
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class DatabaseLag extends Maintenance {
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public function __construct() {
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parent::__construct();
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$this->mDescription = "Shows database lag";
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$this->addOption( 'r', "Don't exit immediately, but show the lag every 5 seconds" );
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}
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public function execute() {
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if ( $this->hasOption( 'r' ) ) {
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$lb = wfGetLB();
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echo 'time ';
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for( $i = 1; $i < $lb->getServerCount(); $i++ ) {
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$hostname = $lb->getServerName( $i );
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printf( "%-12s ", $hostname );
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}
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echo "\n";
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while( 1 ) {
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$lb->clearLagTimeCache();
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$lags = $lb->getLagTimes();
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unset( $lags[0] );
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echo gmdate( 'H:i:s' ) . ' ';
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foreach( $lags as $i => $lag ) {
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printf( "%-12s " , $lag === false ? 'false' : $lag );
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}
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echo "\n";
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sleep( 5 );
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}
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} else {
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$lb = wfGetLB();
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$lags = $lb->getLagTimes();
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foreach( $lags as $i => $lag ) {
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$name = $lb->getServerName( $i );
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$this->output( sprintf( "%-20s %s\n" , $name, $lag === false ? 'false' : $lag ) );
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}
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}
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}
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}
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$maintClass = "DatabaseLag";
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require_once( DO_MAINTENANCE );
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