Github user MLnick commented on a diff in the pull request:
https://github.com/apache/spark/pull/13780#discussion_r67831555
--- Diff: python/pyspark/sql/dataframe.py ---
@@ -376,24 +376,47 @@ def foreachPartition(self, f):
@since(1.3)
def cache(self):
- """ Persists with the default storage level (C{MEMORY_ONLY}).
+ """Persists the :class:`DataFrame` with the default storage level
(C{MEMORY_AND_DISK}).
--- End diff --
@rxin I updated the default in the doc, as it was actually incorrect
previously.
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