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Posted to notifications@libcloud.apache.org by "Mahendra M (JIRA)" <ji...@apache.org> on 2013/09/03 08:22:51 UTC
[jira] [Updated] (LIBCLOUD-378) S3 uploads fail on small iterators
[ https://issues.apache.org/jira/browse/LIBCLOUD-378?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Mahendra M updated LIBCLOUD-378:
--------------------------------
Attachment: LIBCLOUD-378.diff
> 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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