Josh Rosen created SPARK-8130:
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Summary: spark.files.useFetchCache should be off by default
Key: SPARK-8130
URL: https://issues.apache.org/jira/browse/SPARK-8130
Project: Spark
Issue Type: Bug
Components: Spark Core
Reporter: Josh Rosen
Priority: Minor
I noticed that {{spark.files.useFetchCache}} is on by default, but I think that
we should turn it off by default since it's unlikely to improve performance for
all but a handful of users and adds some extra IO / complexity (albeit only at
executor / app startup).
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