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From "Tomaz Muraus (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LIBCLOUD-378) S3 uploads fail on small iterators
Date Tue, 03 Sep 2013 11:37:51 GMT

    [ https://issues.apache.org/jira/browse/LIBCLOUD-378?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13756532#comment-13756532
] 

Tomaz Muraus commented on LIBCLOUD-378:
---------------------------------------

It doesn't happen automatically, you need to mark it manually.

(I also need to document the issue workflow)

                
> S3 uploads fail on small iterators
> ----------------------------------
>
>                 Key: LIBCLOUD-378
>                 URL: https://issues.apache.org/jira/browse/LIBCLOUD-378
>             Project: Libcloud
>          Issue Type: Bug
>          Components: Storage
>            Reporter: John Carr
>         Attachments: LIBCLOUD-378.diff
>
>
> I wrote a small script that uploaded the output of a buildbot job and then updated an
XML file. The large binary blob worked fine. However the XML file failed.
> I was using the driver.upload_object_via_stream(iterator=StringIO.StringIO(somexml))
style as in the docs.
> Looking at the LIBCLOUD_DEBUG output the driver was using the S3 multi-part upload API
and making a new "part" for each line - so every 7 bytes or so - but the minimum size for
a part upload was 5mb.
> (I don't know if the first part is allowed to be less than 5mb if the entire upload is
less than 5mb).
> I am working around this by forcing multi-part uploads off.

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