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Posted to commits@beam.apache.org by rangadi <gi...@git.apache.org> on 2016/04/25 20:53:28 UTC

[GitHub] incubator-beam pull request: [BEAM-220] fix flaky KafkaIO test

GitHub user rangadi opened a pull request:

    https://github.com/apache/incubator-beam/pull/237

    [BEAM-220] fix flaky KafkaIO test

    Fix a flaky KafkaIO test.
    
    KafkaIO reader reads from Kafka in a separate thread. As a result, `start()` or `advance()` might not read a record with in 10 millis timeout even from the mock kafka consumer. Updated one test that manually reads from KafkaIO reader to invoke `advance()` in a loop.
    
    This should fix the flaky test. I am running these tests in a loop on my desktop to verify. One thing I can not explain is the following log from the failed jenkins build linked in BEAM-220 (the log was same when I reproduced it locally):
    
        Apr 22, 2016 7:04:10 AM org.apache.beam.sdk.io.kafka.KafkaIO$UnboundedKafkaReader advance
        INFO: Reader-0: first record offset 0
    
    It is entirely clear if this is from the failed test, but `first record offset 0` implies the `start()` must have returned true.

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/rangadi/incubator-beam flaky

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/incubator-beam/pull/237.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 #237
    
----
commit f00517e0771a4ca0a71170b7bd08146ffbf0bee2
Author: Raghu Angadi <ra...@google.com>
Date:   2016-04-25T18:43:48Z

    fix flaky KafkaIO test

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[GitHub] incubator-beam pull request: [BEAM-220] fix flaky KafkaIO test

Posted by asfgit <gi...@git.apache.org>.
Github user asfgit closed the pull request at:

    https://github.com/apache/incubator-beam/pull/237


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