Document URL: https://access.redhat.com/documentation/en-us/red_hat_satellite/6.3/html/tuning_red_hat_satellite/tuning#postgresql_tuning_example Section Number and Name: 5.8.1. PostgreSQL tuning example Describe the issue: The given example is not a valid PostgreSQL config. * the key/value separator is =, not : * there should be no space between a value and the unit (8MB, not 8 MB) * while correct syntax, it is weird to have the first letter capitalized Suggestions for improvement: max_connections = 500 shared_mem = 512MB work_mem = 8MB checkpoint_segments = 32 checkpoint_completion_target = 0.9 Additional information: