1. LIST 2. PUT 3. LIST
would trigger situations where (3) wouldn't include the object inserted in (2). This is well-known however.
1. HEAD key -> 404 2. PUT key -> 200 3. GET key -> 404 (what? But I just put it!)
1. LIST 2. PUT 3. LIST
would trigger situations where (3) wouldn't include the object inserted in (2). This is well-known however.