在 PostgreSQL 中，`effective_io_concurrency` 是一个配置参数，用于调整在磁盘上进行大规模顺序扫描时的...
一、 PostgreSQL 的稳定性极强， Innodb 等引擎在崩溃、断电之类的灾难场景下抗打击能力有了长足进步，...
7 Sets the number of concurrent disk I/O operations that PostgreSQL expects can be executed simultaneously. Raisingthisvalue will increase the number of I/O operations that any individual PostgreSQL session attempts to initiateinparallel. The allowed rangeis1 to 1000, or zero to disable issuance o...