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Posted to commits@beam.apache.org by "Kenneth Knowles (JIRA)" <ji...@apache.org> on 2018/06/26 05:19:00 UTC

[jira] [Assigned] (BEAM-4620) UnboundedReadFromBoundedSource.split() should always call split()

     [ https://issues.apache.org/jira/browse/BEAM-4620?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kenneth Knowles reassigned BEAM-4620:
-------------------------------------

    Assignee:     (was: Kenneth Knowles)

> UnboundedReadFromBoundedSource.split() should always call split()
> -----------------------------------------------------------------
>
>                 Key: BEAM-4620
>                 URL: https://issues.apache.org/jira/browse/BEAM-4620
>             Project: Beam
>          Issue Type: Bug
>          Components: beam-model
>            Reporter: Josh M
>            Priority: Minor
>
> If the source contains too little data (rounds the result down to 0), or if size estimation fails, then we don't call .split().  We must always call split(); instead of returning original source, we should have computed some fallback value for desiredBundleSize.
> This bug has existed since the code was first introduced, so it is not a regression - but it is certainly a bug.
>  
> source: 
> https://github.com/apache/beam/blob/697a1d17e473cd5b097aaaeee24c08f43cc77f58/runners/core-construction-java/src/main/java/org/apache/beam/runners/core/construction/UnboundedReadFromBoundedSource.java#L137



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