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https://issues.apache.org/jira/browse/KAFKA-4023?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15450744#comment-15450744
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ASF GitHub Bot commented on KAFKA-4023:
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GitHub user bbejeck opened a pull request:
https://github.com/apache/kafka/pull/1803
KAFKA-4023: add thread/task id for logging prefix
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/bbejeck/kafka
KAFKA-4023_add_thread_id_prefix_for_logging
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/kafka/pull/1803.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #1803
----
commit 63eab5f7ba150880fb73226b3099bd4385e574ad
Author: bbejeck <bbej...@gmail.com>
Date: 2016-08-31T01:46:20Z
KAFKA-4023: add thread/task id for logging prefix
----
> 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
> Assignee: Bill Bejeck
> Labels: newbie++
>
> 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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