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https://issues.apache.org/jira/browse/LOG4J2-2937?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17203275#comment-17203275
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Gary D. Gregory commented on LOG4J2-2937:
-----------------------------------------

What are we talking about here, more concretely? Adding something like:

org.apache.logging.log4j.Logger#getStatistics() where Statistics is an 
interface that defines access to, initially, running counts? Per level?

Something like:

logger.getStatistics().getCount(Level.ERROR)?

Does this count events that are filtered out? Is there a different count for 
calls to, for example info() vs a call to info() that is dropped on the floor 
because a filter excludes it?

Should we also be able to count markers?

> Provide counters to measure log rate
> ------------------------------------
>
>                 Key: LOG4J2-2937
>                 URL: https://issues.apache.org/jira/browse/LOG4J2-2937
>             Project: Log4j 2
>          Issue Type: New Feature
>            Reporter: Dennys Fredericci
>            Priority: Major
>
> As a Log4j API user will be really nice to have a way to get the number of 
> log calls for each level without any instrumentation or bytecode 
> manipulation, something native from log4j API.
> Once this interface is implemented this can be exposed through JMX or used by 
> other libraries to send the log rate to monitoring systems such as Datadog, 
> NewRelic, Dynatrace, etc.  :)



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