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authorPierre Schmitz <pierre@archlinux.de>2014-12-27 15:41:37 +0100
committerPierre Schmitz <pierre@archlinux.de>2014-12-31 11:43:28 +0100
commitc1f9b1f7b1b77776192048005dcc66dcf3df2bfb (patch)
tree2b38796e738dd74cb42ecd9bfd151803108386bc /maintenance/nextJobDB.php
parentb88ab0086858470dd1f644e64cb4e4f62bb2be9b (diff)
Update to MediaWiki 1.24.1
Diffstat (limited to 'maintenance/nextJobDB.php')
-rw-r--r--maintenance/nextJobDB.php119
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;