Bertrand Drouvot: Welcome to pg_shmemviz: PostgreSQL shared memory visualizer

Introduction The purpose of this blog post is to introduce pg_shmemviz, a new tool to visualize PostgreSQL shared memory. It follows the same approach as pg_walviz, bringing physical layout and byte level navigation to PostgreSQL shared memory instead of WAL segments. Views such as pg_shmem_allocations, pg_buffercache and pg_shmem_allocations_numa are useful...