我在S.O Linux Debian 8和服务器HP proliant Ml110-G9上使用DBMS PostgreSQL 9.0.1： Processador：（1）Intel Xeon E5-1603v3（2.8GHz / 4核/ 10MB / 140W） MemóriaRAM：8GB DDR4 DiscoRígido：SATA 1TB 7.2K rpm LFF 更多规格：https://www.hpe.com/us/en/product-catalog/servers/proliant-servers/pip.specifications.hpe-proliant-ml110-gen9-server.7796454.html 5000分之154
请参阅postgresql.conf中的以下参数。您可以在此基础上指明哪个值为cpu_index_tuple_cost和其他CPU_*
服务器。所以我不必使用默认值。
#seq_page_cost = 1.0
#random_page_cost = 4.0
#cpu_tuple_cost = 0.01
#cpu_index_tuple_cost = 0.005
#cpu_operator_cost = 0.0025
max_connections = 100
shared_buffers = 2GB
effective_cache_size = 6GB
work_mem = 52428kB
maintenance_work_mem = 1GB
checkpoint_segments = 128
checkpoint_completion_target = 0.9
wal_buffers = 16MB
default_statistics_target = 500