Nicholas Chammas created SPARK-16427:
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Summary: Expand documentation on the various RDD storage levels
Key: SPARK-16427
URL: https://issues.apache.org/jira/browse/SPARK-16427
Project: Spark
Issue Type: Improvement
Components: Documentation
Reporter: Nicholas Chammas
Priority: Minor
Looking at the docs here
http://spark.apache.org/docs/1.6.2/api/python/pyspark.html#pyspark.StorageLevel
A newcomer to Spark won’t understand the meaning of {{_2}}, or the meaning of
{{_SER}} (or its value), and won’t understand how exactly memory and disk play
together when something like {{MEMORY_AND_DISK}} is selected.
We should expand this documentation to explain what the various levels mean and
perhaps even when a user might want to use them.
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