类型: | integer |
默认: | 10 |
最低限度: | 0 |
最大: | 10000 |
上下文: | user |
重新开始: | false |
清理一个必须从磁盘上读取的缓冲区的代价。它表示锁住缓冲池、查找共享哈希表、从磁盘读取需要的块以及扫描其内容的代价。默认值为10。
在 StackOverflow
- vacuum_cost_page_miss set to zero
- Postgresql: database is not accepting commands to avoid wraparound data loss
- is there any adverse effect on DB if I set autovacuum scale factor to zero for certain tables?
- Postgresql 9.3 Autovacuum not keeping up despite aggressive settings
- insert blocks with ExclusiveLock on index in Postgres