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https://issues.apache.org/jira/browse/BEAM-1190?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15765675#comment-15765675
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Daniel Halperin commented on BEAM-1190:
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I think this is a very scary default behavior, and something the user should
implement on their own in pipeline construction.
Alternately, there's already a JIRA issue for giving the user a hook to run
code at expansion time in order to, e.g., autocomplete sharding templates that
eventual consistency chose not to show.
> FileBasedSource should ignore files that matched the glob but don't exist
> -------------------------------------------------------------------------
>
> Key: BEAM-1190
> URL: https://issues.apache.org/jira/browse/BEAM-1190
> Project: Beam
> Issue Type: Bug
> Components: sdk-java-core
> Reporter: Eugene Kirpichov
> Assignee: Eugene Kirpichov
>
> See user issue:
> http://stackoverflow.com/questions/41251741/coping-with-eventual-consistency-of-gcs-bucket-listing
> We should, after globbing the files in FileBasedSource, individually stat
> every file and remove those that don't exist, to account for the possibility
> that glob yielded non-existing files due to eventual consistency.
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