Guozhang Wang created KAFKA-4023:
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Summary: Add thread id as prefix in Kafka Streams thread logging
Key: KAFKA-4023
URL: https://issues.apache.org/jira/browse/KAFKA-4023
Project: Kafka
Issue Type: Bug
Components: streams
Reporter: Guozhang Wang
A single Kafka Streams instance can include multiple stream threads, and hence
without logging prefix it is difficult to determine which thread's producing
which log entries.
We should
1) add the log-prefix as thread id in StreamThread logger, as well as its
contained StreamPartitionAssignor.
2) add the log-prefix as task id in StreamTask / StandbyTask, as well as its
contained RecordCollector and ProcessorStateManager.
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