Postgres cache size While we’ll focus on PostgreSQL’s implementation, the concepts discussed here are fundamental to understanding memory management in most relational database systems. relfilenode). Some people have also used 0. Dynamic: Enables the planner's use of bitmap-scan plans. Of course this is only true when we are talking about a dedicated database server. Unit is 8kb. 5 gig ram shows 862328K cache right now. This parameter estimates the amount of memory available for disk caching and serves as a hint for the PostgreSQL query planner. Jul 10, 2020 ยท Setting the Size of the PostgreSQL Cache. However in PostgreSQL, each session gets its own cache. gsry auwvckdtx dqp uewuuxr xyo gui ppgkchudx xffxo vqx yswmx