Hi Jeff, in [0] you can find a kind of evidence for it.
Regards Antonio [0] https://issues.apache.org/jira/browse/SLING-2311 On Feb 24, 2012, at 1:48 PM, Jeff Young wrote: > Felix, > > Have we done any profiling to confirm that sling:alias resolution does > actually contribute a meaningful percentage? > > Jeff. > > > -----Original Message----- > From: Felix Meschberger [mailto:[email protected]] > Sent: 24 February 2012 10:13 > To: [email protected] > Subject: [ResourceResolver] sling:alias support > > Hi all, > > We have had support for sling:alias properties for a long time. This allows > to create URL aliases for example for i18n. Yet, it also creates some > overhead for resolution of non-existing URLs. > > Whenever an URL cannot directly be resolved it is split in segments and the > resource tree is walked down from the top resolving each segment: If a child > resource is not found, all children are inspected for a sling:alias property. > Only if none has been found, the iteration terminates and resource resolution > fails. > > This is potentially a costly operation and may not always be required. > > I wonder, whether we should have a configuration option to be able to switch > off sling:alias support (Default would be enabled sling:alias support for > backwards compatibility). > > Regards > Felix
