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https://issues.apache.org/jira/browse/FLINK-11417?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stefan Richter closed FLINK-11417.
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Resolution: Implemented
Fix Version/s: 1.8.0
Merged in:
master: 85bae44
> Make access to ExecutionGraph single threaded from JobMaster main thread
> ------------------------------------------------------------------------
>
> Key: FLINK-11417
> URL: https://issues.apache.org/jira/browse/FLINK-11417
> Project: Flink
> Issue Type: Sub-task
> Components: Distributed Coordination
> Reporter: Stefan Richter
> Assignee: Stefan Richter
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.8.0
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> To simplify future developments in scheduling, we should re-design the
> threading model for interaction with the {{ExecutionGraph}} and its
> sub-components to a single threaded approach. In this model, expensive tasks
> will still be performed by background threads so that the JM main thread will
> never block. However, all resulting modifications and interaction with the EG
> itself should only go through the JM main thread.
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