Hyukjin Kwon created SPARK-26275:
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Summary: Flaky test: pyspark.mllib.tests.test_streaming_algorithms
StreamingLogisticRegressionWithSGDTests.test_training_and_prediction
Key: SPARK-26275
URL: https://issues.apache.org/jira/browse/SPARK-26275
Project: Spark
Issue Type: Test
Components: MLlib, PySpark
Affects Versions: 3.0.0
Reporter: Hyukjin Kwon
Looks this test is flaky
https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/99704/console
https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/99569/console
https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/99644/console
https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/99548/console
https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/99454/console
https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/99609/console
{code}
======================================================================
FAIL: test_training_and_prediction
(pyspark.mllib.tests.test_streaming_algorithms.StreamingLogisticRegressionWithSGDTests)
Test that the model improves on toy data with no. of batches
----------------------------------------------------------------------
Traceback (most recent call last):
File
"/home/jenkins/workspace/SparkPullRequestBuilder/python/pyspark/mllib/tests/test_streaming_algorithms.py",
line 367, in test_training_and_prediction
self._eventually(condition)
File
"/home/jenkins/workspace/SparkPullRequestBuilder/python/pyspark/mllib/tests/test_streaming_algorithms.py",
line 78, in _eventually
% (timeout, lastValue))
AssertionError: Test failed due to timeout after 30 sec, with last condition
returning: Latest errors: 0.67, 0.71, 0.78, 0.7, 0.75, 0.74, 0.73, 0.69, 0.62,
0.71, 0.69, 0.75, 0.72, 0.77, 0.71, 0.74
----------------------------------------------------------------------
Ran 13 tests in 185.051s
FAILED (failures=1, skipped=1)
{code}
This looks happening after increasing the parallelism in Jenkins to speed up. I
am able to reproduce this manually when the resource usage is heavy with manual
decrease of timeout.
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