You are viewing a plain text version of this content. The canonical link for it is here.
Posted to dev@sling.apache.org by "Justin Edelson (JIRA)" <ji...@apache.org> on 2012/08/27 22:33:08 UTC

[jira] [Comment Edited] (SLING-2521) Improve performance of sling:alias lookups and/or provide the ability to disable this feature

    [ https://issues.apache.org/jira/browse/SLING-2521?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13442694#comment-13442694 ] 

Justin Edelson edited comment on SLING-2521 at 8/28/12 7:31 AM:
----------------------------------------------------------------

Perf test results:
<pre>
# ResolveWith1000AliasTest               min     10%     50%     90%     max
jcr.resource-2.1.0                        31      33      40      50      81
# ResolveWith5000AliasTest               min     10%     50%     90%     max
jcr.resource-2.1.0                       230     242     254     275     472
# ResolveWith10000AliasTest              min     10%     50%     90%     max
jcr.resource-2.1.0                       459     459     536     804     804

# ResolveWith1000AliasTest               min     10%     50%     90%     max
jcr.resource-2.2.0                        41      43      52      77     132
# ResolveWith5000AliasTest               min     10%     50%     90%     max
jcr.resource-2.2.0                       278     279     294     440     459
# ResolveWith10000AliasTest              min     10%     50%     90%     max
jcr.resource-2.2.0                       523     523     554    1127    1127

# ResolveWith1000AliasTest               min     10%     50%     90%     max
jcr.resource-2.2.0 (patched)               0       0       0       0      53
# ResolveWith5000AliasTest               min     10%     50%     90%     max
jcr.resource-2.2.0 (patched)               0       0       0       0      15
# ResolveWith10000AliasTest              min     10%     50%     90%     max
jcr.resource-2.2.0 (patched)               0       0       0       0      77
</pre>
                
      was (Author: justinedelson):
    Perf test results:

# ResolveWith1000AliasTest               min     10%     50%     90%     max
jcr.resource-2.1.0                        31      33      40      50      81
# ResolveWith5000AliasTest               min     10%     50%     90%     max
jcr.resource-2.1.0                       230     242     254     275     472
# ResolveWith10000AliasTest              min     10%     50%     90%     max
jcr.resource-2.1.0                       459     459     536     804     804

# ResolveWith1000AliasTest               min     10%     50%     90%     max
jcr.resource-2.2.0                        41      43      52      77     132
# ResolveWith5000AliasTest               min     10%     50%     90%     max
jcr.resource-2.2.0                       278     279     294     440     459
# ResolveWith10000AliasTest              min     10%     50%     90%     max
jcr.resource-2.2.0                       523     523     554    1127    1127

# ResolveWith1000AliasTest               min     10%     50%     90%     max
jcr.resource-2.2.0 (patched)               0       0       0       0      53
# ResolveWith5000AliasTest               min     10%     50%     90%     max
jcr.resource-2.2.0 (patched)               0       0       0       0      15
# ResolveWith10000AliasTest              min     10%     50%     90%     max
jcr.resource-2.2.0 (patched)               0       0       0       0      77
                  
> Improve performance of sling:alias lookups and/or provide the ability to disable this feature
> ---------------------------------------------------------------------------------------------
>
>                 Key: SLING-2521
>                 URL: https://issues.apache.org/jira/browse/SLING-2521
>             Project: Sling
>          Issue Type: New Feature
>          Components: JCR
>    Affects Versions: JCR Resource 2.1.0
>            Reporter: Felix Meschberger
>         Attachments: disabling-alias-performance.png, SLING-2521.patch
>
>
> The the JCR based ResourceResolver.resolve method currently support sling:alias properties on nodes to allow for resolution of translated URLs. This is potentially a very expensive operation particularly in the case of non existing resource.
> It should be analyzed whether (a) disabling sling:alias support has a measurable benefit on resource resolution (particularly when not finding a resource) and (b) whether it would be easy and simple to disable such support per configuration.

--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators
For more information on JIRA, see: http://www.atlassian.com/software/jira