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https://issues.apache.org/jira/browse/BEAM-6851?focusedWorklogId=214906&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-214906
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ASF GitHub Bot logged work on BEAM-6851:
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Author: ASF GitHub Bot
Created on: 18/Mar/19 17:46
Start Date: 18/Mar/19 17:46
Worklog Time Spent: 10m
Work Description: kyle-winkelman commented on issue #8079: [BEAM-6851]
Support recursive globs in HadoopFileSystem.
URL: https://github.com/apache/beam/pull/8079#issuecomment-474028065
I am currently using a Set to eliminate duplicate Metadata. This means that
this match could potentially return two Metadata with the same URI but
different sizeBytes and lastModifiedMillis.
As far as I am aware there is no use case where someone would change an
existing file so I believe this is an acceptable implementation, just thought I
would bring this to the attention of the reviewers.
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Issue Time Tracking
-------------------
Worklog Id: (was: 214906)
Time Spent: 0.5h (was: 20m)
> HadoopFileSystem doesn't Support Recursive Globs (**)
> -----------------------------------------------------
>
> Key: BEAM-6851
> URL: https://issues.apache.org/jira/browse/BEAM-6851
> Project: Beam
> Issue Type: Improvement
> Components: io-java-hadoop
> Reporter: Kyle Winkelman
> Priority: Minor
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> The LocalFileSystem supports recursive globs, **, through use of the [glob
> syntax|https://docs.oracle.com/javase/tutorial/essential/io/fileOps.html#glob]
> and it would be nice to similarly allow it in the HadoopFileSystem.
> The FileSystem docs say:
> {code:java}
> All FileSystem implementations should support glob in the final hierarchical
> path component of ResourceIdT. This allows SDK libraries to construct file
> system agnostic spec. FileSystems can support additional patterns for
> user-provided specs.
> {code}
> This clearly points out that recursive globs aren't required but may be
> supported as an additional pattern for user-provided specs.
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