Pg Optimization

# I'm trying Blake's settings for our production DB
default_statistics_target = 200 # Bmagic 2022-10
maintenance_work_mem = 1GB # Bmagic 2022-10
constraint_exclusion = on # Bmagic 2022-10
checkpoint_completion_target = 0.9 # Bmagic 2022-10
effective_cache_size = 500GB # Bmagic 2022-10
work_mem = 512MB # Bmagic 2022-10
wal_buffers = 8MB # Bmagic 2022-10
shared_buffers = 32GB # Bmagic 2022-10
max_connections = 800 # Bmagic 2022-10
random_page_cost = 1.0