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https://issues.apache.org/jira/browse/HDDS-742?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Elek, Marton updated HDDS-742:
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Attachment: HDDS-742.001.patch
> Handle object list requests (GET bucket) without prefix parameter
> -----------------------------------------------------------------
>
> Key: HDDS-742
> URL: https://issues.apache.org/jira/browse/HDDS-742
> Project: Hadoop Distributed Data Store
> Issue Type: Sub-task
> Components: S3
> Reporter: Elek, Marton
> Assignee: Elek, Marton
> Priority: Major
> Attachments: HDDS-742.001.patch
>
>
> In s3 gateway the GET bucket endpoint is already implemented. It can return
> with the available objects based on a given prefix.
> ([https://docs.aws.amazon.com/AmazonS3/latest/API/v2-RESTBucketGET.html)]
> As it's defined the Delimiter parameter is used to reduce the response with
> returning only the first-level keys and prefixes (aka directories)
> {code:java}
> <ListBucketResult xmlns="http://s3.amazonaws.com/doc/2006-03-01/";>
> <Name>example-bucket</Name>
> <Prefix></Prefix>
> <KeyCount>2</KeyCount>
> <MaxKeys>1000</MaxKeys>
> <Delimiter>/</Delimiter>
> <IsTruncated>false</IsTruncated>
> <Contents>
> <Key>sample.jpg</Key>
> <LastModified>2011-02-26T01:56:20.000Z</LastModified>
> <ETag>"bf1d737a4d46a19f3bced6905cc8b902"</ETag>
> <Size>142863</Size>
> <StorageClass>STANDARD</StorageClass>
> </Contents>
> <CommonPrefixes>
> <Prefix>photos/</Prefix>
> </CommonPrefixes>
> </ListBucketResult>{code}
> Here we can have multiple additional objects with photos/ prefix but they are
> not added to the response.
>
> The main problem in the ozone s3 implementation is that the Delimiter
> parameter *should be optional.* In case of the delimiter is missing we always
> return with all the keys without and common prefix simplification.
> It requires for recursive directory listing which is used by s3a adapter.
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