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https://issues.apache.org/jira/browse/SPARK-13912?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yin Huai updated SPARK-13912:
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Target Version/s: 2.0.0
> spark.hadoop.* configurations are not applied for Parquet Data Frame Readers
> ----------------------------------------------------------------------------
>
> Key: SPARK-13912
> URL: https://issues.apache.org/jira/browse/SPARK-13912
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 1.6.1
> Reporter: Matt Cheah
>
> I populated a SparkConf object passed to a SparkContext with some
> spark.hadoop.* configurations, expecting them to be used in the backing
> Hadoop file reading whenever I read from my DFS. However, when I was running
> some jobs, I noticed that the configurations were not being properly applied
> to the data frame reading when I used sqlContext.read().parquet().
> I looked in the codebase and noticed that SqlNewHadoopRDD doesn't use a
> SparkConf nor SparkContext hadoop configuration to set up the Hadoop reading;
> instead, it uses SparkHadoopUtil.get.conf. This Hadoop configuration object
> won't have Hadoop configurations set on the Spark Context. In general it
> seems like we have a discrepancy in how we set Hadoop configurations; when
> reading raw RDDs via e.g. SparkContext.textFile() we take the Hadoop
> configuration from the Spark Context, but for Data Frames we use
> SparkHadoopUtil.conf.
> We should probably use the Spark Context hadoop configuration for Data Frames
> as well.
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