[jira] [Assigned] (BEAM-2081) I/O Authoring overview - better clarify how to read from files

["Luke Cwik (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/BEAM-2081?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Luke Cwik reassigned BEAM-2081:
-------------------------------

    Assignee: Luke Cwik

> I/O Authoring overview - better clarify how to read from files
> --------------------------------------------------------------
>
>                 Key: BEAM-2081
>                 URL: https://issues.apache.org/jira/browse/BEAM-2081
>             Project: Beam
>          Issue Type: Improvement
>          Components: website
>            Reporter: Stephen Sisk
>            Assignee: Luke Cwik
>            Priority: P3
>
> The I/O authoring doc is a little bit confusing - it has an example of reading from file globs and says to use ParDos, but then mentions "A class derived from FileBasedSource is often the best option when reading from files"
> It'd be nice to better clarify this and provide guidance as to when to use which.
> I *think* the right answer here is that if you file is splittable you use FBS (and let it handle the glob splitting), and if it's not splittable you use ParDos.
> SDF I believe will make all this easier.
> cc [~kirpichov] [~dhalperi@google.com]



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