postgresql的一些参数优化值
9.5的常用的一些设置,自己mark一下防止丢失;参数用途的说明,不做说明,仅为自己记录 <pre> max_connections = 3000 work_mem = 8MB shared_buffers = 1GB fsync = off synchronous_commit = off commit_delay = 500 commit_siblings = 25 checkpoint_completion_target = 0.9 autovacuum = on bgwriter_delay=10ms full_page_writes=off wal_writer_delay=10ms max_wal_size=32GB hot_standby=on wal_receiver_status_interval=1s hot_standby_feedback=on random_page_cost=1.0 maintenance_work_mem=64MB autovacuum_work_mem=64MB archive_mode=off enable_nestloop=off </pre> 9.6的并行查询参数,黑体标明, 官方说明: <pre> <b>Parallel query execution is not (yet) enabled by default. To