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-rw-r--r--python/pyspark/sql/dataframe.py4
1 files changed, 3 insertions, 1 deletions
diff --git a/python/pyspark/sql/dataframe.py b/python/pyspark/sql/dataframe.py
index b4fa836893..328bda6601 100644
--- a/python/pyspark/sql/dataframe.py
+++ b/python/pyspark/sql/dataframe.py
@@ -326,9 +326,11 @@ class DataFrame(object):
return self
@since(1.3)
- def unpersist(self, blocking=True):
+ def unpersist(self, blocking=False):
"""Marks the :class:`DataFrame` as non-persistent, and remove all blocks for it from
memory and disk.
+
+ .. note:: `blocking` default has changed to False to match Scala in 2.0.
"""
self.is_cached = False
self._jdf.unpersist(blocking)