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From "Josh Wills (JIRA)" <>
Subject [jira] [Created] (CRUNCH-557) Fix file distribution from HDFS in Crunch-on-Spark
Date Wed, 02 Sep 2015 22:54:45 GMT
Josh Wills created CRUNCH-557:

             Summary: Fix file distribution from HDFS in Crunch-on-Spark
                 Key: CRUNCH-557
             Project: Crunch
          Issue Type: Bug
            Reporter: Josh Wills

>From the user list:

I was trying to determine effect of changing JoinStrategy on a Spark pipeline. I noticed that
my pipeline works fine with DefaultJoinStrategy, however I could not get it to working with
MapSideJoinStrategy and BloomFilterJoinStrategy. For MapSideJoinStrategy I get an exceptions[1]
on driver itself and for BloomFilterJoinStrategy I get exceptions[2] in one of the stages.
I have not tried to do any configuration changes but I did run tests with datasets of different
sizes to ensure that my PCollection is small enough to fit in memory. I am running spark in
yarn-client mode with Crunch 0.11.0-cdh5.4.2.


The bug is in the SparkRuntime.distributeFiles method, which needs to include a scheme for
the URI it's handing to Spark.

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