The REPORTS_DATABASE_PORT variable defines a separate port for the reporting database (aka datamart). Using a separate port can improve site performance when database utilization is high.
Port specification
5632
As of TeamForge 6.1, only port 5632 is supported.
Using two separate Postgres clusters for database and datamart on the same machine is deprecated. Consider deploying the two clusters on two machines or using a single cluster for both databases.