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https://issues.apache.org/jira/browse/SLING-10164?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17290856#comment-17290856
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Angela Schreiber commented on SLING-10164:
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[~cziegeler], i wasn't planning to add more metrics (at least not in a first 
step). but it might need a careful review by someone familiar with sling-auth 
and sling-metrics. a few points:
- would it be better/sensible to capture everything in {{handleSecurity}} 
(instead of just covering the likely more expensive parts that call 
{{doHandleSecurity}}?
- tests: i was looking for an osgi-test covering the {{SlingAuthenticator}} to 
make sure the metrics are actually called as intended.... but as far as i could 
see there are only basic unit tests.... (see also SLING-10163)
- dependency to sling-commons-metrics: i would appreciate if someone could 
verify that this is the correct way of adding metrics and that the dependency 
is introduced properly not causing any regressions
- performance: i would definitely want to avoid introducing any kind of 
performance issues just for the sake of having a bunch of metrics. but i didn't 
perform any kind of test and didn't a particular performance-test section for 
the authenticator.... maybe just missed it).

> Add basic metrics to SlingAuthenticator
> ---------------------------------------
>
>                 Key: SLING-10164
>                 URL: https://issues.apache.org/jira/browse/SLING-10164
>             Project: Sling
>          Issue Type: New Feature
>          Components: Authentication
>            Reporter: Angela Schreiber
>            Priority: Major
>         Attachments: SLING-10164.patch
>
>
> IMHO it would be good to capture some basic metrics in {{SlingAuthenticator}} 
> that allow to monitor overall login performance and success/failures.



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