Makes it a good match for columnar databases which already operate on the read-only, read-mostly part of the spectrum. Perhaps people can invent LSM like struc

Makes it a good match for columnar databases which already operate on the read-only, read-mostly part of the spectrum. Perhaps people can invent LSM like structures on top of them. But at least establish that CSR on disk is a basic requirement before you claim that you're a legit graph database.