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https://issues.apache.org/jira/browse/SPARK-32506?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17168525#comment-17168525
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Wenchen Fan commented on SPARK-32506:
-------------------------------------
cc [~ruifengz] [~weichenxu123]
> 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
> Priority: Major
>
> {code}
> FAIL: test_train_prediction
> (pyspark.mllib.tests.test_streaming_algorithms.StreamingLinearRegressionWithTests)
> Test that error on test data improves as model is trained.
> ----------------------------------------------------------------------
> 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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