一、注意事项
以下参数值设置会占用系统资源,为避免数据库使用受到参数值的影响,请按需配置。
注意:部分参数属于重点参数,修改会影响数据库实例使用行为或者影响数据库正常运行,请谨慎修改。
二、与规格相关的参数值限制
| 规格\\参数 | max_replication_slots | max_wal_senders | max_worker_processes | max_logical_replication_workers | max_parallel_workers | max_connections |
| 1C2GiB | [10-100] | [27-150] | [4-300] | [4-150] | [8-8] | [100-2048] |
| 2C4GiB | [10-100] | [27-150] | [4-300] | [4-150] | [8-8] | [100-2048] |
| 2C6GiB | [10-150] | [27-200] | [4-400] | [4-200] | [8-8] | [100-2048] |
| 4C8GiB | [10-150] | [27-200] | [4-400] | [4-200] | [8-8] | [100-2048] |
| 4C16GiB | [10-150] | [27-200] | [4-400] | [4-200] | [8-8] | [100-2048] |
| 6C24GiB | [10-200] | [27-250] | [4-500] | [4-250] | [8-12] | [100-2048] |
| 8C16GiB | [10-150] | [27-200] | [4-400] | [4-200] | [8-8] | [100-2048] |
| 8C32GiB | [10-200] | [27-250] | [4-500] | [4-250] | [8-16] | [100-4000] |
| 8C48GiB | [10-200] | [27-250] | [4-500] | [4-250] | [8-16] | [100-4500] |
| 8C64GiB | [10-400] | [27-450] | [4-900] | [4-450] | [8-24] | [100-5500] |
| 12C24GiB | [10-200] | [27-250] | [4-500] | [4-250] | [8-12] | [100-2048] |
| 12C64GiB | [10-400] | [27-450] | [4-900] | [4-450] | [8-24] | [100-5500] |
| 16C32GiB | [10-200] | [27-250] | [4-500] | [4-250] | [8-16] | [100-4000] |
| 16C96GiB | [10-400] | [27-450] | [4-900] | [4-450] | [8-32] | [100-8000] |
| 20C128GiB | [10-500] | [27-450] | [4-900] | [4-450] | [8-40] | [100-10000] |
| 24C48GiB | [10-200] | [27-250] | [4-500] | [4-250] | [8-16] | [100-4500] |
| 24C192GiB | [10-500] | [27-550] | [4-1200] | [4-550] | [8-50] | [100-12000] |
| 28C240GiB | [10-600] | [27-650] | [4-1300] | [4-650] | [8-60] | [100-13000] |
| 32C64GiB | [10-400] | [27-450] | [4-900] | [4-450] | [8-24] | [100-5500] |
| 48C480GiB | [10-600] | [27-650] | [4-1300] | [4-650] | [8-60] | [100-22000] |
| 64C256GiB | [10-600] | [27-650] | [4-1300] | [4-650] | [8-60] | [100-13000] |
| 64C384GiB | [10-600] | [27-650] | [4-1300] | [4-650] | [8-60] | [100-20000] |
| 64C512GiB | [10-600] | [27-650] | [4-1300] | [4-650] | [8-60] | [100-22000] |
| 90C720GiB | [10-600] | [27-650] | [4-1300] | [4-650] | [8-60] | [100-36000] |