max_fsm_pages
Sets the maximum number of disk pages for which free space will be tracked in the shared free-space map. Six bytes of shared memory are consumed for each page slot. This setting must be at least 16 * max_fsm_relations. The default is chosen by initdb depending on the amount of available memory, and can range from 20k to 200k pages. This parameter can only be set at server start.
英文手册覆盖始于 PostgreSQL 7.4. 来源历史与运行验证各自保留独立版本边界。
当前阅读 PG 8.3·选择有来源记录的版本
此版本暂无所选语言的定义，以下显示原始英文内容。
- boot val
- 未知
- category
- Free Space Map
- context
- 未知
- documented
- true
- enumvals
- 未知
- extra desc
- 未知
- lang
- en
- max val
- 未知
- metadata version
- 未知
- min val
- 未知
- name
- max_fsm_pages
- short desc
- 未知
- source
- english-manual
- unit
- 未知
- vartype
- integer
版本定义 PG 8.3
Sets the maximum number of disk pages for which free space will be tracked in the shared free-space map. Six bytes of shared memory are consumed for each page slot. This setting must be at least 16 * max_fsm_relations. The default is chosen by initdb depending on the amount of available memory, and can range from 20k to 200k pages. This parameter can only be set at server start.
比较版本
来源引用
定义来源
center · PostgreSQL 8.3 · english-manuals:077eda99e435b4041bede0216ed2920b9016cbf316486ed337fe38dae20b2766
正文语言: en · english-manuals:077eda99e435b4041bede0216ed2920b9016cbf316486ed337fe38dae20b2766