Hi Swift mavens,
Current swift documentation states that slo manifest etag and size_bytes keys are optional [1]. I found [2], which suggests that only recently did Swift object storage actually behave as if the etag is "fully optional."
Currently attempts to fetch an object whose manifest etag is not defined ("") result in ERR_PRECONDITION_FAILED due to the if_match logic in RGWRados::Object::Read::prepare(). Should this logic permit the if-match to succeed if etag is not defined?
Thanks,
Matt
[1] http://docs.openstack.org/developer/swift/overview_large_objects.html
[2] http://git.openstack.org/cgit/openstack/swift/commit/?id=462f91b040ff47b51e5397eed930785590638d69
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Matt Benjamin
Red Hat, Inc.
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