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https://issues.apache.org/jira/browse/PIG-5283?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16119467#comment-16119467
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Adam Szita commented on PIG-5283:
---------------------------------

[~kellyzly] because insisde {{readFields}} [compression configs are 
used|https://github.com/apache/pig/blob/trunk/src/org/apache/pig/backend/hadoop/executionengine/mapReduceLayer/PigSplit.java#L307]

> Configuration is not passed to SparkPigSplits on the backend
> ------------------------------------------------------------
>
>                 Key: PIG-5283
>                 URL: https://issues.apache.org/jira/browse/PIG-5283
>             Project: Pig
>          Issue Type: Bug
>          Components: spark
>            Reporter: Adam Szita
>            Assignee: Adam Szita
>         Attachments: PIG-5283.0.patch, PIG-5283.1.patch
>
>
> When a Hadoop ObjectWritable is created during a Spark job, the instantiated 
> PigSplit (wrapped into a SparkPigSplit) is given an empty Configuration 
> instance.
> This happens 
> [here|https://github.com/apache/spark/blob/master/core/src/main/scala/org/apache/spark/SerializableWritable.scala#L44]



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