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https://issues.apache.org/jira/browse/FLINK-24936?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17445063#comment-17445063
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Huang Xingbo commented on FLINK-24936:
--------------------------------------
[~gaoyunhaii] Thanks for the reporting this issue. The error reasons for the
these hanging tests are the same. When the Azure machine creates multiple
python processes, some of them cannot be started. The concurrency of udf tests
adjusted to 1 can solve this problem. I'm still thinking about whether there is
a better solution.
> Python test_data_stream.py hangs on azure
> -----------------------------------------
>
> Key: FLINK-24936
> URL: https://issues.apache.org/jira/browse/FLINK-24936
> Project: Flink
> Issue Type: Bug
> Components: API / Python
> Affects Versions: 1.14.0
> Reporter: Yun Gao
> Priority: Major
> Labels: test-stability
>
> {code:java}
> Nov 17 04:36:57 pyflink/datastream/tests/test_data_stream.py
> ........................... [ 33%]
> Nov 17 04:52:58
> ....................==============================================================================
> Nov 17 04:52:58 Process produced no output for 900 seconds.
> Nov 17 04:52:58
> ==============================================================================
> Nov 17 04:52:58
> ==============================================================================
> {code}
> https://dev.azure.com/apache-flink/apache-flink/_build/results?buildId=26627&view=logs&j=821b528f-1eed-5598-a3b4-7f748b13f261&t=6bb545dd-772d-5d8c-f258-f5085fba3295
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