Steve Loughran updated HADOOP-14468:
    Parent Issue: HADOOP-15226  (was: HADOOP-14825)

> 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
>    Affects Versions: 3.0.0-beta1
>            Reporter: Aaron Fabbri
>            Assignee: Aaron Fabbri
>            Priority: Minor
> 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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