Comment 2 for bug 1464022

Eran,

Acoles & I talked about how we might sync persistent object metadata via ssync and came up with a header scheme like

X-Object-Metadata-[Key]: [Value]
X-Timestamp-Object-Metadata-[Key]: [Timestamp]

So you can just send everything in one post:

    for key, (value, timestamp) in metadata.items():
        headers.add(object_metadata(key, value))
        headers.add(object_metadata_timestamp(key, timestamp))

... you might think about doing that instead of a post for every x-timestamp (which could add up over time)