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Posted to issues@beam.apache.org by "David Huntsperger (Jira)" <ji...@apache.org> on 2022/03/15 17:46:00 UTC
[jira] [Updated] (BEAM-2081) I/O Authoring overview - better clarify how to read from files
[ https://issues.apache.org/jira/browse/BEAM-2081?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
David Huntsperger updated BEAM-2081:
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Fix Version/s: Not applicable
Resolution: Abandoned
Status: Resolved (was: Open)
> 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
> Priority: P3
> Fix For: Not applicable
>
>
> 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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