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Posted to hdfs-dev@hadoop.apache.org by "Elek, Marton (JIRA)" <ji...@apache.org> on 2018/09/20 07:28:00 UTC

[jira] [Created] (HDDS-517) Implement HeadObject REST endpoint

Elek, Marton created HDDS-517:
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             Summary: Implement HeadObject REST endpoint
                 Key: HDDS-517
                 URL: https://issues.apache.org/jira/browse/HDDS-517
             Project: Hadoop Distributed Data Store
          Issue Type: Sub-task
            Reporter: Elek, Marton


The HEAD operation retrieves metadata from an object without returning the object itself. This operation is useful if you are interested only in an object's metadata. To use HEAD, you must have READ access to the object.

Steps:
 1. Look up the volume
 2. Read the key and return to the user.

The AWS reference is here:

https://docs.aws.amazon.com/AmazonS3/latest/API/RESTObjectHEAD.html

We have a simple version of this call in HDDS-444 but without Range support.



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