holdenk created SPARK-8769:
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Summary: toLocalIterator should mention it results in many jobs
Key: SPARK-8769
URL: https://issues.apache.org/jira/browse/SPARK-8769
Project: Spark
Issue Type: Documentation
Reporter: holdenk
Priority: Trivial
toLocalIterator on RDDs should mention that it results in mutliple jobs, and
that to avoid re-computing, if the input was the result of a
wide-transformation, the input should be cached.
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