Seastore storage structure design consideration based on HLC and R-tree

Hi, everyone. The following link is a thorough description of what we think may be an option for implementing the on-disk structure of seastore. Please take a look, thanks:-) https://docs.google.com/document/d/1hs5jJ1F8rVz7m2PZbBONlsiJsjRAh_DjVTrHVY3_...