shared_buffers = 1GB
temp_buffers = 256MB
work_mem = 256MB
maintenance_work_mem = 1GB
effective_io_concurrency = 0
wal_buffers = 1MB
checkpoint_segments = 2048
random_page_cost = 6.0
effective_cache_size = 2GB
synchronous_commit = on
#commit_delay = 1000
#wal_writer_delay = 100
#default_statistics_target = 1000
bgwriter_lru_maxpages = 1000

log_destination = 'stderr'
logging_collector = on
#log_checkpoints = on
#log_connections = on
#log_disconnections = on
#log_lock_waits = on
#log_statement = 'none'
#log_statement_stats=1
#log_planner_stats=1
#log_parser_stats=1
#log_executor_stats=1