I believe it uploads the whole thing each time. I think it may even upload it with a new index counter in the name to version it (but I can&#x27;t find that in the docs now).<p><a href="http:&#x2F;&#x2F;www.rath.org&#x2F;s3ql-docs&#x2F;impl_details.html#metadata-storage" rel="nofollow">http:&#x2F;&#x2F;www.rath.org&#x2F;s3ql-docs&#x2F;impl_details.html#metadata-sto...</a>