[jira] [Resolved] (BEAM-833) Exercise Dynamic Splitting in the DirectRunner

["Thomas Groh (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/BEAM-833?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Thomas Groh resolved BEAM-833.
------------------------------
       Resolution: Fixed
    Fix Version/s: 0.4.0-incubating

> Exercise Dynamic Splitting in the DirectRunner
> ----------------------------------------------
>
>                 Key: BEAM-833
>                 URL: https://issues.apache.org/jira/browse/BEAM-833
>             Project: Beam
>          Issue Type: Improvement
>          Components: runner-direct
>            Reporter: Thomas Groh
>            Assignee: Thomas Groh
>             Fix For: 0.4.0-incubating
>
>
> This primarily means calling the {{BoundedSource#splitAtFraction}} API during the evaluation of a BoundedReadEvaluatorFactory - this can return the work via addUnprocessedElements. 
> At a later point, the {{MonitorRunnable}} within {{ExecutorServiceParallelExecutor}} can examine currently evaluating work and invoke a {{TransformExecutor#split}} method, which can return to the runner some amount of input, which can be scheduled to use more of the available threads.



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