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https://issues.apache.org/jira/browse/LOG4J2-1010?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15443634#comment-15443634
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Remko Popma edited comment on LOG4J2-1010 at 8/28/16 3:52 PM:
--------------------------------------------------------------
[[email protected]],
{{ContextDataInjector}} now has a new method that gives access to the raw
underlying {{ContextData}} without any copying. I updated the affected filters
and lookups to use this method.
Note that in the
{{LOG4J2-1010&LOG4J2-1447-injectable-contextdata&better-datastructure}} branch
the {{ThreadContextDataInjector}} implementation still copies the data.
To rectify this, in the {{LOG4J2-1349-gcfree-threadcontext}} branch
{{DefaultThreadContextMap}} now implements the ContextData interface. This
avoids unnecessary copying.
was (Author: [email protected]):
[[email protected]] {{ContextDataInjector}} now has a new method that
gives access to the raw underlying {{ContextData}} without any copying. I
updated the affected filters and lookups to use this method.
Note that in the
{{LOG4J2-1010&LOG4J2-1447-injectable-contextdata&better-datastructure}} branch
the {{ThreadContextDataInjector}} implementation still copies the data.
To rectify this, in the LOG4J2-1349 branch {{DefaultThreadContextMap}} now
implements the ContextData interface. This results in a much more efficiently
performing implementation.
> Injectable context properties
> -----------------------------
>
> Key: LOG4J2-1010
> URL: https://issues.apache.org/jira/browse/LOG4J2-1010
> Project: Log4j 2
> Issue Type: Improvement
> Components: Core
> Affects Versions: 2.2
> Reporter: Mikael Ståldal
> Assignee: Remko Popma
> Fix For: 2.7
>
> Attachments: properties.patch
>
>
> It would be useful to have a way to inject context properties into a
> {{LogEvent}}, as an alternative to {{ThreadContext}}.
> In an asynchronous environment, using ThreadContext as currently implemented
> is not so useful since JVM threads might not be coupled to the logical flow
> of the application.
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