Hi, On 2018-06-05 13:45:26 +0200, Thomas Kellerer wrote: > Hello, > > I am trying to assess the benefits of the new JIT feature in Postgres 11. However I can't figure out how to enable it. > > I have a test server with "CentOS Linux release 7.5.1804" > > I installed the beta using: > > yum install https://download.postgresql.org/pub/repos/yum/11/redhat/rhel-7.4-x86_64/postgresql11-server-11.0-beta1_1PGDG.rhel7.x86_64.rpm > yum install postgresql11 > yum install postgresql11-server I suspect the issue is that you also need the postgresql11-llvmjit package. The LLVM support adds dependencies, so it's not included in the main package. > Then initdb and everything was up and running. > > I checked the installation: > > "show jit_provider" gives me: "llvmjit" > "show jit" gives me: "on" You can check whether support actually could be loaded with SELECT pg_jit_available(); Greetings, Andres Freund
