Ryan Williams created SPARK-11459:
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Summary: Allow configuring checkpoint dir, filenames
Key: SPARK-11459
URL: https://issues.apache.org/jira/browse/SPARK-11459
Project: Spark
Issue Type: Improvement
Components: Spark Core
Affects Versions: 1.5.1
Reporter: Ryan Williams
I frequently want to persist some RDDs to disk and choose the names of the
files that they are saved as.
Currently, the {{RDD.checkpoint}} flow [writes to a directory with a UUID in
its
name|https://github.com/apache/spark/blob/v1.5.1/core/src/main/scala/org/apache/spark/SparkContext.scala#L2050],
and the file is [always named after the RDD's
ID|https://github.com/apache/spark/blob/v1.5.1/core/src/main/scala/org/apache/spark/rdd/ReliableRDDCheckpointData.scala#L96].
Is there any reason not to allow the user to e.g. pass a string to
{{RDD.checkpoint}} that will set the location that the RDD is checkpointed to?
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