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Posted to dev@samza.apache.org by Navina Ramesh <nr...@linkedin.com> on 2015/10/20 02:31:50 UTC

Review Request 39464: SAMZA-723 - hello-samza hangs when we use StreamAppender (Yan's patch)

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https://reviews.apache.org/r/39464/
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Review request for samza.


Bugs: SAMZA-723
    https://issues.apache.org/jira/browse/SAMZA-723


Repository: samza


Description
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fixed 2 parts of the problem:
1. Start streamAppender until the JobCoordinator is running
2. deadlock in Producer thread and the main thread

More explanation is in JIRA.


Diffs
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  samza-core/src/main/scala/org/apache/samza/coordinator/JobCoordinator.scala a926ce639dbf6776ebfb1d885621f4b6bf5f5aa5 
  samza-log4j/src/main/java/org/apache/samza/config/Log4jSystemConfig.java d98b8c658dd8ae4d952a1004a796d64c229012a7 
  samza-log4j/src/main/java/org/apache/samza/logging/log4j/StreamAppender.java 776a36bd539f747d440a65f844cfcede52625e1b 
  samza-log4j/src/test/java/org/apache/samza/logging/log4j/TestStreamAppender.java 1c6f9a48590d55fe808940adba72415c3ab9614e 

Diff: https://reviews.apache.org/r/39464/diff/


Testing
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Verified with hello-samza.
Still investigating to understand the original cause and the fix


Thanks,

Navina Ramesh