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Fix $wgUpdateRowsPerJob default in docs/deferred.txt
[lhc/web/wiklou.git]
/
docs
/
database.txt
diff --git
a/docs/database.txt
b/docs/database.txt
index
735f26b
..
44ec764
100644
(file)
--- a/
docs/database.txt
+++ b/
docs/database.txt
@@
-8,7
+8,7
@@
By Tim Starling, January 2006.
For information about the MediaWiki database layout, such as a
description of the tables and their contents, please see:
https://www.mediawiki.org/wiki/Manual:Database_layout
For information about the MediaWiki database layout, such as a
description of the tables and their contents, please see:
https://www.mediawiki.org/wiki/Manual:Database_layout
- https://
gerrit.wikimedia.org/r/gitweb?p=mediawiki/core.git;a=blob_plain;f=maintenance/tables.sql;hb=HEAD
+ https://
phabricator.wikimedia.org/diffusion/MW/browse/master/maintenance/tables.sql
------------------------------------------------------------------------
------------------------------------------------------------------------
@@
-159,10
+159,7
@@
$dbw->commit( __METHOD__ );
Use of locking reads (e.g. the FOR UPDATE clause) is not advised. They
are poorly implemented in InnoDB and will cause regular deadlock errors.
Use of locking reads (e.g. the FOR UPDATE clause) is not advised. They
are poorly implemented in InnoDB and will cause regular deadlock errors.
-It's also surprisingly easy to cripple the wiki with lock contention. If
-you must use them, define a new flag for $wgAntiLockFlags which allows
-them to be turned off, because we'll almost certainly need to do so on
-the Wikimedia cluster.
+It's also surprisingly easy to cripple the wiki with lock contention.
Instead of locking reads, combine your existence checks into your write
queries, by using an appropriate condition in the WHERE clause of an
Instead of locking reads, combine your existence checks into your write
queries, by using an appropriate condition in the WHERE clause of an