diff options
Diffstat (limited to 'maintenance/nextJobDB.php')
-rw-r--r-- | maintenance/nextJobDB.php | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/maintenance/nextJobDB.php b/maintenance/nextJobDB.php deleted file mode 100644 index 219b5d8e..00000000 --- a/maintenance/nextJobDB.php +++ /dev/null @@ -1,119 +0,0 @@ -<?php -/** - * Pick a database that has pending jobs - * - * 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 picks a database that has pending jobs. - * - * @ingroup Maintenance - */ -class nextJobDB extends Maintenance { - public function __construct() { - parent::__construct(); - $this->mDescription = "Pick a database that has pending jobs"; - $this->addOption( 'type', "Search by job type", false, true ); - $this->addOption( 'types', "Space separated list of job types to search for", false, true ); - } - - public function execute() { - global $wgJobTypesExcludedFromDefaultQueue; - - // job type required/picked - if ( $this->hasOption( 'types' ) ) { - $types = explode( ' ', $this->getOption( 'types' ) ); - } elseif ( $this->hasOption( 'type' ) ) { - $types = array( $this->getOption( 'type' ) ); - } else { - $types = false; - } - - // Handle any required periodic queue maintenance - $this->executeReadyPeriodicTasks(); - - // Get all the queues with jobs in them - $pendingDBs = JobQueueAggregator::singleton()->getAllReadyWikiQueues(); - if ( !count( $pendingDBs ) ) { - return; // no DBs with jobs or cache is both empty and locked - } - - do { - $again = false; - - $candidates = array(); // list of (type, db) - // Flatten the tree of candidates into a flat list so that a random - // item can be selected, weighing each queue (type/db tuple) equally. - foreach ( $pendingDBs as $type => $dbs ) { - if ( - ( is_array( $types ) && in_array( $type, $types ) ) || - ( $types === false && !in_array( $type, $wgJobTypesExcludedFromDefaultQueue ) ) - ) { - foreach ( $dbs as $db ) { - $candidates[] = array( $type, $db ); - } - } - } - if ( !count( $candidates ) ) { - return; // no jobs for this type - } - - list( $type, $db ) = $candidates[mt_rand( 0, count( $candidates ) - 1 )]; - if ( JobQueueGroup::singleton( $db )->isQueueDeprioritized( $type ) ) { - $pendingDBs[$type] = array_diff( $pendingDBs[$type], array( $db ) ); - $again = true; - } - } while ( $again ); - - if ( $this->hasOption( 'types' ) ) { - $this->output( $db . " " . $type . "\n" ); - } else { - $this->output( $db . "\n" ); - } - } - - /** - * Do all ready periodic jobs for all databases every 5 minutes (and .1% of the time) - * @return integer - */ - private function executeReadyPeriodicTasks() { - global $wgLocalDatabases, $wgMemc; - - $count = 0; - $memcKey = 'jobqueue:periodic:lasttime'; - $timestamp = (int)$wgMemc->get( $memcKey ); // UNIX timestamp or 0 - if ( ( time() - $timestamp ) > 300 || mt_rand( 0, 999 ) == 0 ) { // 5 minutes - if ( $wgMemc->add( "$memcKey:rebuild", 1, 1800 ) ) { // lock - foreach ( $wgLocalDatabases as $db ) { - $count += JobQueueGroup::singleton( $db )->executeReadyPeriodicTasks(); - } - $wgMemc->set( $memcKey, time() ); - $wgMemc->delete( "$memcKey:rebuild" ); // unlock - } - } - - return $count; - } -} - -$maintClass = "nextJobDb"; -require_once RUN_MAINTENANCE_IF_MAIN; |