Akshay Kumar created LOG4J2-3661:
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Summary: High Heap | GC Issue | Log4j 2 | Log4j1.x-2.x | Bridge
Key: LOG4J2-3661
URL: https://issues.apache.org/jira/browse/LOG4J2-3661
Project: Log4j 2
Issue Type: Bug
Affects Versions: 2.17.2
Reporter: Akshay Kumar
Attachments: Screenshot 2023-05-11 at 9.21.55 PM.png, Screenshot
2023-05-11 at 9.22.43 PM.png
* We have migrated from log4j 1 to log4j 2 using the bridge approach in our
Application.
* We push the key-value pairs to print in logs as provided in the pattern
layout with the help of NDC and MDC.
* In log4j2 (bridge), this NDC internally uses ThreadContext to store the keys
and values.
* But it seems that there is some bug in the ThreadContext, as its stack keeps
increasing in size causing a high heap due to which the application starts
doing Full GC.
* And the application become slow.
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