Github user mateiz commented on a diff in the pull request:
https://github.com/apache/spark/pull/1460#discussion_r15264487
--- Diff: python/pyspark/tests.py ---
@@ -47,6 +48,64 @@
SPARK_HOME = os.environ["SPARK_HOME"]
+class TestMerger(unittest.TestCase):
+
+ def setUp(self):
+ self.N = 1 << 16
+ self.l = [i for i in xrange(self.N)]
+ self.data = zip(self.l, self.l)
+ self.agg = Aggregator(lambda x: [x],
+ lambda x, y: x.append(y) or x,
+ lambda x, y: x.extend(y) or x)
+ ExternalMerger.PARTITIONS = 8
+ ExternalMerger.BATCH = 1 << 14
--- End diff --
These are never cleared, so they might affect future tests. It's better to
make them arguments to the constructor of ExternalMerger.
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