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https://issues.apache.org/jira/browse/BEAM-10637?focusedWorklogId=466390&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-466390
]
ASF GitHub Bot logged work on BEAM-10637:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 04/Aug/20 18:53
Start Date: 04/Aug/20 18:53
Worklog Time Spent: 10m
Work Description: KevinGG opened a new pull request #12464:
URL: https://github.com/apache/beam/pull/12464
Fixed the start/stop logic so that a controller:
1. can only be started/stopped once;
2. can only be stopped when is started while never stopped before;
3. does not hang indefinitely but noop for redundant or invalid start/stop
calls.
------------------------
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Issue Time Tracking
-------------------
Worklog Id: (was: 466390)
Remaining Estimate: 0h
Time Spent: 10m
> Fix start/stop hanging issue on test stream service controller
> --------------------------------------------------------------
>
> Key: BEAM-10637
> URL: https://issues.apache.org/jira/browse/BEAM-10637
> Project: Beam
> Issue Type: Improvement
> Components: runner-py-interactive
> Reporter: Ning Kang
> Assignee: Ning Kang
> Priority: P2
> Time Spent: 10m
> Remaining Estimate: 0h
>
> The test stream controller sometimes hangs forever when the underlying grpc
> server start or stop in the wrong timing:
> E.g., try to stop a server never started, stop a server already stopped,
> start a server already started and etc.
> The change is to add start/stop states to handle all 6 combinations:
> # start server not started
> # start server started
> # start server stopped
> # stop server not started
> # stop server started
> # stop server stopped
> So that it never hangs.
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