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<?php
/**
* This script starts pending jobs.
*
* Usage:
* --maxjobs <num> (default 10000)
* --type <job_cmd>
*
* 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
*
* @ingroup Maintenance
*/
require_once( dirname( __FILE__ ) . '/Maintenance.php' );
class RunJobs extends Maintenance {
public function __construct() {
parent::__construct();
$this->mDescription = "Run pending jobs";
$this->addOption( 'maxjobs', 'Maximum number of jobs to run', false, true );
$this->addOption( 'maxtime', 'Maximum amount of wall-clock time', false, true );
$this->addOption( 'type', 'Type of job to run', false, true );
$this->addOption( 'procs', 'Number of processes to use', false, true );
}
public function memoryLimit() {
// Don't eat all memory on the machine if we get a bad job.
return "150M";
}
public function execute() {
global $wgTitle;
if ( $this->hasOption( 'procs' ) ) {
$procs = intval( $this->getOption( 'procs' ) );
if ( $procs < 1 || $procs > 1000 ) {
$this->error( "Invalid argument to --procs", true );
}
$fc = new ForkController( $procs );
if ( $fc->start() != 'child' ) {
exit( 0 );
}
}
$maxJobs = $this->getOption( 'maxjobs', false );
$maxTime = $this->getOption( 'maxtime', false );
$startTime = time();
$type = $this->getOption( 'type', false );
$wgTitle = Title::newFromText( 'RunJobs.php' );
$dbw = wfGetDB( DB_MASTER );
$n = 0;
$conds = '';
if ( $type !== false )
$conds = "job_cmd = " . $dbw->addQuotes( $type );
while ( $dbw->selectField( 'job', 'job_id', $conds, 'runJobs.php' ) ) {
$offset = 0;
for ( ; ; ) {
$job = !$type ? Job::pop( $offset ) : Job::pop_type( $type );
if ( !$job )
break;
wfWaitForSlaves();
$t = microtime( true );
$offset = $job->id;
$status = $job->run();
$t = microtime( true ) - $t;
$timeMs = intval( $t * 1000 );
if ( !$status ) {
$this->runJobsLog( $job->toString() . " t=$timeMs error={$job->error}" );
} else {
$this->runJobsLog( $job->toString() . " t=$timeMs good" );
}
if ( $maxJobs && ++$n > $maxJobs ) {
break 2;
}
if ( $maxTime && time() - $startTime > $maxTime ) {
break 2;
}
}
}
}
/**
* Log the job message
* @param $msg String The message to log
*/
private function runJobsLog( $msg ) {
$this->output( wfTimestamp( TS_DB ) . " $msg\n" );
wfDebugLog( 'runJobs', $msg );
}
}
$maintClass = "RunJobs";
require_once( RUN_MAINTENANCE_IF_MAIN );
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