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https://issues.apache.org/jira/browse/HADOOP-14468?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16035064#comment-16035064
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Steve Loughran commented on HADOOP-14468:
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What's the reason for this? To pick up changes to files which aren't going to
s3guard even when auth=true?
> S3Guard: make short-circuit getFileStatus() configurable
> --------------------------------------------------------
>
> Key: HADOOP-14468
> URL: https://issues.apache.org/jira/browse/HADOOP-14468
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Reporter: Aaron Fabbri
> Assignee: Aaron Fabbri
>
> Currently, when S3Guard is enabled, getFileStatus() will skip S3 if it gets a
> result from the MetadataStore (e.g. dynamodb) first.
> I would like to add a new parameter
> {{fs.s3a.metadatastore.getfilestatus.authoritative}} which, when true, keeps
> the current behavior. When false, S3AFileSystem will check both S3 and the
> MetadataStore.
> I'm not sure yet if we want to have this behavior the same for all callers of
> getFileStatus(), or if we only want to check both S3 and MetadataStore for
> some internal callers such as open().
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