aa21e125a3
Xhprof generates this data now. Custom profiling of various sub-function units are kept. Calls to profiler represented about 3% of page execution time on Special:BlankPage (1.5% in/out); after this change it's down to about 0.98% of page execution time. Change-Id: Id9a1dc9d8f80bbd52e42226b724a1e1213d07af7
154 lines
3.5 KiB
PHP
154 lines
3.5 KiB
PHP
<?php
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/**
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* Job queue aggregator code.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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* @author Aaron Schulz
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*/
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/**
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* Class to handle tracking information about all queues
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*
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* @ingroup JobQueue
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* @since 1.21
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*/
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abstract class JobQueueAggregator {
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/** @var JobQueueAggregator */
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protected static $instance = null;
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/**
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* @param array $params
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*/
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protected function __construct( array $params ) {
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}
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/**
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* @throws MWException
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* @return JobQueueAggregator
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*/
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final public static function singleton() {
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global $wgJobQueueAggregator;
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if ( !isset( self::$instance ) ) {
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$class = $wgJobQueueAggregator['class'];
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$obj = new $class( $wgJobQueueAggregator );
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if ( !( $obj instanceof JobQueueAggregator ) ) {
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throw new MWException( "Class '$class' is not a JobQueueAggregator class." );
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}
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self::$instance = $obj;
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}
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return self::$instance;
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}
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/**
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* Destroy the singleton instance
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*
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* @return void
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*/
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final public static function destroySingleton() {
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self::$instance = null;
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}
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/**
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* Mark a queue as being empty
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*
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* @param string $wiki
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* @param string $type
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* @return bool Success
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*/
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final public function notifyQueueEmpty( $wiki, $type ) {
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$ok = $this->doNotifyQueueEmpty( $wiki, $type );
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return $ok;
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}
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/**
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* @see JobQueueAggregator::notifyQueueEmpty()
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*/
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abstract protected function doNotifyQueueEmpty( $wiki, $type );
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/**
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* Mark a queue as being non-empty
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*
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* @param string $wiki
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* @param string $type
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* @return bool Success
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*/
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final public function notifyQueueNonEmpty( $wiki, $type ) {
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$ok = $this->doNotifyQueueNonEmpty( $wiki, $type );
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return $ok;
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}
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/**
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* @see JobQueueAggregator::notifyQueueNonEmpty()
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*/
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abstract protected function doNotifyQueueNonEmpty( $wiki, $type );
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/**
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* Get the list of all of the queues with jobs
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*
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* @return array (job type => (list of wiki IDs))
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*/
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final public function getAllReadyWikiQueues() {
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$res = $this->doGetAllReadyWikiQueues();
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return $res;
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}
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/**
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* @see JobQueueAggregator::getAllReadyWikiQueues()
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*/
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abstract protected function doGetAllReadyWikiQueues();
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/**
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* Purge all of the aggregator information
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*
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* @return bool Success
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*/
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final public function purge() {
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$res = $this->doPurge();
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return $res;
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}
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/**
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* @see JobQueueAggregator::purge()
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*/
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abstract protected function doPurge();
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/**
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* Get all databases that have a pending job.
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* This poll all the queues and is this expensive.
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*
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* @return array (job type => (list of wiki IDs))
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*/
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protected function findPendingWikiQueues() {
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global $wgLocalDatabases;
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$pendingDBs = array(); // (job type => (db list))
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foreach ( $wgLocalDatabases as $db ) {
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foreach ( JobQueueGroup::singleton( $db )->getQueuesWithJobs() as $type ) {
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$pendingDBs[$type][] = $db;
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}
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}
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return $pendingDBs;
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}
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}
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