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From "Nithin Asokan (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CRUNCH-569) Don't reuse avros on SparkPipeline cache()
Date Thu, 08 Oct 2015 21:47:26 GMT
Nithin Asokan created CRUNCH-569:
------------------------------------

             Summary: Don't reuse avros on SparkPipeline cache()
                 Key: CRUNCH-569
                 URL: https://issues.apache.org/jira/browse/CRUNCH-569
             Project: Crunch
          Issue Type: Bug
          Components: Spark
    Affects Versions: 0.12.0
            Reporter: Nithin Asokan


A cached PCollection/PTable built by Avros using SparkPipeline seem to reuse avro objects.
Here is a test that shows this behavior

https://gist.github.com/nasokan/531b4ff9bf827d0835ab

I would expect the output of this program to create a pair with same key, value. However,
this produces Pair with different key value. I have tested this with text file input source
and it works as expected. Removing cache() produces expected result. 

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