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https://issues.apache.org/jira/browse/SPARK-3399?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14123167#comment-14123167
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Kousuke Saruta commented on SPARK-3399:
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Some test for pyspark, for instance rdd.py, use NamedTemporaryFile for creating
input data.
NamedTemporaryFile creates temporary file on /tmp on local filesystem.
rdd.py is kicked by pyspark script in python/run-tests.
If we set environment variables HADOOP_CONF_DIR or YARN_CONF_DIR in
spark-env.sh before testing, pyspark command load values from those variables.
After loading those value, Spark expects input data is on the filesystem
configured by the environment variables.
> Test for PySpark should ignore HADOOP_CONF_DIR and YARN_CONF_DIR
> ----------------------------------------------------------------
>
> Key: SPARK-3399
> URL: https://issues.apache.org/jira/browse/SPARK-3399
> Project: Spark
> Issue Type: Bug
> Components: PySpark
> Reporter: Kousuke Saruta
>
> Some tests for PySpark make temporary files on /tmp of local file system but
> if environment variable HADOOP_CONF_DIR or YARN_CONF_DIR is set in
> spark-env.sh, tests expects temporary files are on FileSystem configured in
> core-site.xml even though actual files are on local file system.
> I think, we should ignore HADOOP_CONF_DIR and YARN_CONF_DIR.
> If we need those variables in some tests, we should set those variables in
> such tests specially.
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