For load.php requests, Xenon in Wikimedia production measures that half
the time for wfGetLB() is spent in ChronologyProtector::initPositions,
and its query to Memcached.
Change-Id: I24f90897e56fd679c6bd1acf764722ed58e51c67
*/
use MediaWiki\Logger\LoggerFactory;
+use MediaWiki\MediaWikiServices;
// This endpoint is supposed to be independent of request cookies and other
// details of the session. Enforce this constraint with respect to session use.
return;
}
+// Don't initialise ChronologyProtector from object cache, and
+// don't wait for unrelated MediaWiki writes when querying ResourceLoader.
+MediaWikiServices::getInstance()->getDBLoadBalancerFactory()->setRequestInfo( [
+ 'ChronologyProtection' => 'false',
+] );
+
// Set up ResourceLoader
$resourceLoader = new ResourceLoader(
ConfigFactory::getDefaultInstance()->makeConfig( 'main' ),