Justine Olshan created KAFKA-15674:
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Summary: Consider making RequestLocal thread safe
Key: KAFKA-15674
URL: https://issues.apache.org/jira/browse/KAFKA-15674
Project: Kafka
Issue Type: Improvement
Reporter: Justine Olshan
KAFKA-15653 found an issue with using the a request local on multiple threads.
The RequestLocal object was originally designed in a non-thread-safe manner for
performance.
It is passed around to methods that write to the log, and KAFKA-15653 showed
that is it not too hard to accidentally share between different threads.
Given all this, and new changes and dependencies in the project compared to
when it was first introduced, we may want to reconsider the thread safety of
ThreadLocal.
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