[jira] [Resolved] (LOG4J2-2052) Disable thread name caching by default

["Remko Popma (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/LOG4J2-2052?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Remko Popma resolved LOG4J2-2052.
---------------------------------
       Resolution: Fixed
    Fix Version/s: 2.10.0

Fixed in master.
Please verify and close.

> Disable thread name caching by default
> --------------------------------------
>
>                 Key: LOG4J2-2052
>                 URL: https://issues.apache.org/jira/browse/LOG4J2-2052
>             Project: Log4j 2
>          Issue Type: Improvement
>            Reporter: Dan Berindei
>            Assignee: Remko Popma
>            Priority: Minor
>             Fix For: 2.10.0
>
>
> We run our tests in parallel with TestNG and we use {{Thread.setName()}} for easy filtering of log messages from a single test. But since LOG4J2-1334, all the thread names are logged as {{TestNG}}, unless we use {{-DAsyncLogger.ThreadNameStrategy=UNCACHED}}.
> JDK 8u102 removed the {{String}} allocation in {{Thread.getName()}} (https://bugs.openjdk.java.net/browse/JDK-8148842), so I suggest changing the default strategy to {{UNCACHED}}. Users of older JDKs will still be able to use {{-DAsyncLogger.ThreadNameStrategy=CACHED}} for the performance improvement.



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