wal_init_zero
If set to on (the default), this option causes new WAL files to be filled with zeroes. On some file systems, this ensures that space is allocated before we need to write WAL records. However, Copy-On-Write (COW) file systems may not benefit from this technique, so the option is given to skip the unnecessary work. If set to off, only the final byte is written when the file is created so that it has the expected size.
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 18·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
- on
- category
- Write-Ahead Log / Settings
- context
- superuser
- documented
- true
- enumvals
- 未知
- extra desc
- 未知
- lang
- en
- max val
- 未知
- metadata version
- 18
- min val
- 未知
- name
- wal_init_zero
- short desc
- Writes zeroes to new WAL files before first use.
- source
- pg-settings-source-snapshot
- unit
- 未知
- vartype
- bool
版本定义 PG 18
If set to on (the default), this option causes new WAL files to be filled with zeroes. On some file systems, this ensures that space is allocated before we need to write WAL records. However, Copy-On-Write (COW) file systems may not benefit from this technique, so the option is given to skip the unnecessary work. If set to off, only the final byte is written when the file is created so that it has the expected size.
比较版本
来源引用
定义来源
center · PostgreSQL 18 · english-manuals:3aa2178fe0a186dd0cfdc2ef37dc6e93ceb28d99478ba4271d2bafa18aa1b9bb
正文语言: en · english-manuals:3aa2178fe0a186dd0cfdc2ef37dc6e93ceb28d99478ba4271d2bafa18aa1b9bb