Optimal development-only Postgres settings for my Macbook Pro with 8GB RAM.

pg.txt

#------------------------------------------------------------------------------
# CUSTOMIZED OPTIONS
#------------------------------------------------------------------------------

# Add settings for extensions here
#
# Some stupid, dangerous settings only used to speed things up on a local
# development machine, where if data is lost I'll just wipe and recreate.
# Never ever ever use these in production or anything approximating
# production.
fsync                = off
full_page_writes     = off
synchronous_commit   = off
wal_writer_delay     = 1s
checkpoint_segments  = 64
max_connections      = 10
maintenance_work_mem = 512MB
effective_cache_size = 2GB
work_mem             = 128MB
wal_buffers          = 1536kB
shared_buffers       = 512MB