PostgreSQL is a highly customizable relational database management system (RDBMS) with a dazzling array of configuration options. The postgresql.conf file is located in the \PostgreSQL\9.x\Data folder. You can tune the following sections of the postgresql.conf file to get the best performance. CONNECTIONS AND AUTHENTICATION In this section change the following entries to the following: max_connections = 350 authentication_timeout = 7min RESOURCE USAGE (except WAL) In this section change the following entries to the following: shared_buffers = 256MB : PG Backends that need to access tables first look for needed blocks in this cache. If they are already there, they can continue processing right away. The change can be made with a postmaster command-line flag or by changing the value of shared_buffers temp_buffers = 32MB max_prepared_transactions = 20 work_mem = 1024MB maintenance_work_mem = 1024MB QUERY TUNING effect...
ADempiere Business Suite is an industrial strength open-source software solution that combines ERP, CRM and SCM support for business process. ADempiere provides a framework for extending and customizing to meet business needs.