|Version:||18.104.22.168 - 2.3.1|
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Configuration parameter "$smwgOnDeleteAction"
|Configuration parameter details:|
|Description||Moves the update process for when a page / property and its value assignments are deleted to the job queue.|
|Default setting||See below|
|Keyword||performance · job queue|
$smwgOnDeleteAction is a configuration parameter that is used to move the update process for when a page / property and its value assignments are deleted to the job queue and thus to improve it. The configuration parameter was introduced in Semantic MediaWiki 22.214.171.124Released on 3 January 2014 and compatible with MW 1.19.0 - 1.22.x.. It was removed in Semantic MediaWiki 2.4.0Released on 9 July 2016 and compatible with MW 1.19.0 - 1.27.x. in favor of configuration parameter
$smwgEnabledDeferredUpdateSets that updates to pages are queued and executed after edits.1
$smwgOnDeleteAction = array( 'smwgDeleteSubjectAsDeferredJob' => false, 'smwgDeleteSubjectWithAssociatesRefresh' => false );
The default setting represents the legacy behaviour of Semantic MediaWiki 1.8.0Released on 2 December 2012 and compatible with MW 1.17.0 - 1.22.x
(except 1.22.1). and lower where a subject is directly deleted when "action=delete" is executed.
smwgDeleteSubjectAsDeferredJob- Defers the deletion process to a background job.
smwgDeleteSubjectWithAssociatesRefresh- Allows to refresh entities that are connected to a deleted subject.
Changing the default setting
To modify this configuration setting, add one of the following lines to your "LocalSettings.php" file after the
$smwgOnDeleteAction = array( 'smwgDeleteSubjectAsDeferredJob' => true, 'smwgDeleteSubjectWithAssociatesRefresh' => true );
smwgDeleteSubjectWithAssociatesRefreshis enabled the deletion process is being handled as a deferred background job with
- If configuration parameter
$smwgEnableUpdateJobsDefers some tasks until after a page was edited by using the job queue. is disabled (not default) then the deletion process will always run directly even though
smwgDeleteSubjectAsDeferredJob(see above) is enabled.
- In case the deletion is executed as deferred job it is further suggested that the job queue is being run repeatedly within a narrow time frame to avoid an increased backlog.
- Task T61204 about the rationale for this configuration parameter
- Semantic MediaWiki: GitHub pull request gh:smw:1435