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by Vinod Kurup

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Skip this section if you will run only Oracle.

OpenACS 5.9.0 will run with PostgreSQL 9.0 or newer. 9.5 is currently the recommended version of PostgreSQL.

It is recommend to use a prepackaged version of PostgreSQL, which are available in source and binary formats from www.postgresql.org/download/.

Larger installations might want to tune the PostgreSQL installation with e.g. the utility pgtune, which is also available via apt-get install pgtune or dnf install pgtune on Debian/Ubuntu or RedHat systems.