Wenchen Fan created SPARK-32506:
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Summary: flaky test:
pyspark.mllib.tests.test_streaming_algorithms.StreamingLinearRegressionWithTests
Key: SPARK-32506
URL: https://issues.apache.org/jira/browse/SPARK-32506
Project: Spark
Issue Type: Test
Components: MLlib
Affects Versions: 3.1.0
Reporter: Wenchen Fan
{code}
FAIL: test_train_prediction
(pyspark.mllib.tests.test_streaming_algorithms.StreamingLinearRegressionWithTests)
Test that error on test data improves as model is trained.
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Traceback (most recent call last):
File
"/home/runner/work/spark/spark/python/pyspark/mllib/tests/test_streaming_algorithms.py",
line 466, in test_train_prediction
eventually(condition, timeout=180.0)
File "/home/runner/work/spark/spark/python/pyspark/testing/utils.py", line
81, in eventually
lastValue = condition()
File
"/home/runner/work/spark/spark/python/pyspark/mllib/tests/test_streaming_algorithms.py",
line 461, in condition
self.assertGreater(errors[1] - errors[-1], 2)
AssertionError: 1.672640157855923 not greater than 2
{code}
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