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https://issues.apache.org/jira/browse/FLINK-6384?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15983476#comment-15983476
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ASF GitHub Bot commented on FLINK-6384:
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Github user zentol commented on the issue:
https://github.com/apache/flink/pull/3774
Looks good, +1 to merge.
> PythonStreamer does not close python processes
> ----------------------------------------------
>
> Key: FLINK-6384
> URL: https://issues.apache.org/jira/browse/FLINK-6384
> Project: Flink
> Issue Type: Bug
> Components: Python API
> Affects Versions: 1.3.0
> Reporter: Till Rohrmann
> Assignee: Till Rohrmann
> Fix For: 1.3.0
>
>
> The {{PythonStreamer}} opens a new process calling the python binary to check
> whether the binary is available. This process won't get closed leading to an
> excessive number of open python processes when running the
> {{PythonPlanBinderTest}}. I'm not entirely sure whether we need this extra
> process, because the actual python call with the python code would also fail
> if there is no python binary available.
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