runBatchedQuery.php File Reference

Run a database query in batches and wait for replica DBs. More...

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Classes
class	RunBatchedQuery
	Maintenance script to run a database query in batches and wait for replica DBs. More...

Variables
	$maintClass = RunBatchedQuery::class

Detailed Description

Run a database query in batches and wait for replica DBs.

This is used on large wikis to prevent replication lag from going through the roof when executing large write queries.

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

Definition in file runBatchedQuery.php.

Variable Documentation

$maintClass

$maintClass = RunBatchedQuery::class

Definition at line 117 of file runBatchedQuery.php.