https://bugzilla.wikimedia.org/show_bug.cgi?id=26802
Summary: Optimizations in resource loader filestat checks?
Product: MediaWiki
Version: wikimedia-deployment
Platform: All
OS/Version: All
Status: NEW
Severity: enhancement
Priority: Normal
Component: Resource Loader
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Feel free to close this quickly if I miss read the code...
afaict after preloadModuleInfo we validate the cache for every logged in user?
Does this mean we running filestat for every resource file every 5 min for
every logged in user? If not already doing this, the RL could use global
filestat times cache so its not validated for every logged in user so often?
* Top level svn file reading. You could save a lot of filestat calls by just
parsing revision from directory level svn files ( if available ).
* The majority of mediaWiki installs they simply won't be modifying any of the
release files, a global like $wgResourceLoaderCheckForFileChanges = false by
default might not be a bad idea.
What does ResourceLoaderFileModule::getModifiedTime-filemtime profile time look
like for sites without squid in-front of mediaWiki?
Maybe this is a non issue because of operating system level filestat cache? But
might be painful for sites on network file systems.
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