[jira] [Closed] (FLINK-4525) Drop the "eager split pre-assignment" code paths

["Stephan Ewen (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-4525?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Stephan Ewen closed FLINK-4525.
-------------------------------

> Drop the "eager split pre-assignment" code paths
> ------------------------------------------------
>
>                 Key: FLINK-4525
>                 URL: https://issues.apache.org/jira/browse/FLINK-4525
>             Project: Flink
>          Issue Type: Improvement
>          Components: JobManager
>    Affects Versions: 1.1.2
>         Environment: 	
>            Reporter: Stephan Ewen
>            Assignee: Stephan Ewen
>             Fix For: 1.2.0
>
>
> There is currently an interface for input splits {{StrictlyLocalAssignment}} that is half-heartedly supported in the JobManager (it is, for example, not fault tolerant).
> I suggest to drop these special cases for the following reasons:
>   - they do not fit the assumptions of all the rest of the system well (localize where possible, but never constrain)
>   - they make the logic of implemented as part of dynamic resource acquisition hard
>   - they are not fully implemented even today
>   - I am not aware of anyone using this feature
>   - It is complicated to maintain



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