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Posted to issues@flink.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2019/01/23 10:55:00 UTC

[jira] [Updated] (FLINK-11417) Make access to ExecutionGraph single threaded from JobMaster main thread

     [ https://issues.apache.org/jira/browse/FLINK-11417?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated FLINK-11417:
-----------------------------------
    Labels: pull-request-available  (was: )

> 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
>
> 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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