Andres Freund schrieb am 05.06.2018 um 14:34: >> 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. Ah, that was it, thanks. (It took me a while to figure out how to also install llvm-5.0 for Centos 7, but I finally managed)