text: TITLE Django and Isolation (Part 1): A look at performance improvement strategies leveraging MVCC SUB While MVCC ( multi-version concurrency control ) has been around for a while and is one of the most popular techniques adopted by SQL based RDBMS’ to offer transaction isolation guarantees, it is often not being leveraged by code written at the app-server layer ( Django, Flask etc., ) CAPTION a wooden wall with a bunch of wooden pipes in it