John Carr created LIBCLOUD-378:
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Summary: 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
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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