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Diffstat (limited to 'python/pyspark/rdd.py')
| -rw-r--r-- | python/pyspark/rdd.py | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/python/pyspark/rdd.py b/python/pyspark/rdd.py index 41ea6e6e14..4cda6cf661 100644 --- a/python/pyspark/rdd.py +++ b/python/pyspark/rdd.py @@ -372,6 +372,10 @@ class RDD(object): items = [] for partition in range(self._jrdd.splits().size()): iterator = self.ctx._takePartition(self._jrdd.rdd(), partition) + # Each item in the iterator is a string, Python object, batch of + # Python objects. Regardless, it is sufficient to take `num` + # of these objects in order to collect `num` Python objects: + iterator = iterator.take(num) items.extend(self._collect_iterator_through_file(iterator)) if len(items) >= num: break @@ -748,8 +752,10 @@ def _test(): # The small batch size here ensures that we see multiple batches, # even in these small test examples: globs['sc'] = SparkContext('local[4]', 'PythonTest', batchSize=2) - doctest.testmod(globs=globs) + (failure_count, test_count) = doctest.testmod(globs=globs) globs['sc'].stop() + if failure_count: + exit(-1) if __name__ == "__main__": |