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https://issues.apache.org/jira/browse/LOG4J2-868?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15285770#comment-15285770
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Yang ZHONG commented on LOG4J2-868:
-----------------------------------
It's leaking memory in log4J 2.5 (AsyncLoggerContext) @ JDK 8u92.
Total 2G memory used by 2 AsyncLoggerContext, each references 1G
DefaultShutdownCallBackRegistry$1
which references 4G DefaultShutdownCallBackRegistry
which references 4G CopyOnWriteArrayList
which references many many many DefaultShutdownCallBackRegistry$1
How to turn it off or what's the work-around please?
> Allow shutdown hook registration handling to be customizable
> ------------------------------------------------------------
>
> Key: LOG4J2-868
> URL: https://issues.apache.org/jira/browse/LOG4J2-868
> Project: Log4j 2
> Issue Type: New Feature
> Components: Core
> Affects Versions: 2.0.2
> Reporter: Matt Sicker
> Assignee: Matt Sicker
> Priority: Blocker
> Fix For: 2.1
>
>
> Besides the ability to enable or disable the shutdown hook, there should be a
> ShutdownRegistrationStrategy interface for customizing how to register a
> shutdown callback in LoggerContext. This will allow application servers to
> specify their own class that can register the shutdown callback for a
> LoggerContext.
> To make this really flexible, Log4jContextFactory should be the class that
> creates the ShutdownRegistrationStrategy.
> The basic idea behind this feature is already implemented. I'd like to make
> this API a bit better before 2.1 so we aren't stuck with a useless interface
> later on.
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