HyukjinKwon commented on a change in pull request #23435: [SPARK-25921][Follow
Up][PySpark] Fix barrier task run without BarrierTaskContext while python
worker reuse
URL: https://github.com/apache/spark/pull/23435#discussion_r244928489
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File path: python/pyspark/tests/test_taskcontext.py
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@@ -149,6 +134,44 @@ def f(iterator):
self.assertTrue(len(taskInfos[0]) == 4)
+class TaskContextTestsWithWorkerReuse(PySparkTestCase):
+
+ def setUp(self):
+ self._old_sys_path = list(sys.path)
+ class_name = self.__class__.__name__
+ conf = SparkConf().set("spark.python.worker.reuse", "true")
+ self.sc = SparkContext('local[2]', class_name, conf=conf)
+
+ def test_barrier_with_python_worker_reuse(self):
+ """
+ Regression test for SPARK-25921: verify that
BarrierTaskContext.barrier() with
+ reused python worker.
+ """
+ import os
Review comment:
I think it's okie to import it on the top of this file
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