false
Miser mode is a mode intended to reduce load on server farms running a large number of wikis. It is enabled on all WMF wikis.
If true
, disable database-intensive features, so that they can be managed/controlled separately if desired. This includes reading special pages marked as expensive from the cache instead of regenerating them every time they are requested.
With $wgMiserMode
set to true
, this means that the special pages managed by this flag will only be updated when explicitly made to update. For example, setting up a cron-job to call /maintenance/updateSpecialPages.php
or using Extension:RefreshSpecial .
The other disabled features are...
leprefix
option of list=logevents
API module)aimime
and famime
option in the list=allimages
and list=filearchive
API module. However Special:MIMESearch is allowed to work after gerrit:67468.showsizediff
option of the RSS feed for Special:Contributionslist=categorymembers
and list=externallinks
API module, uses reduced sorting by namespace mode (returns only a few results when cmnamespace
or elnamespace
option is in use).
{{REVISIONID}}
magic word in content namespaces as defined with $wgContentNamespaces as of gerrit:294774. It is substituted by a single dash after saving the page.{{REVISIONID}}
magic word in subject namespaces as of gerrit:570985. It is substituted by a single dash after saving the page.For reference, this very wiki uses miser mode. You can tell if a wiki has miser mode enabled via the meta=siteinfo
API module.
This configuration option disables update.php in 1.18.0 (and only 1.18.0. Subsequent releases will not use this option for that purpose), requiring one to use --force
to run that script. Very very very large wikis (like Wikipedia) may need to have more careful upgrade process than the maintenance script does, but most sites would not have to worry about this.
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