wal_decode_buffer_size
A limit on how far ahead the server can look in the WAL, to find blocks to prefetch. If this value is specified without units, it is taken as bytes. The default is 512kB. 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 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
- 524288
- category
- Write-Ahead Log / Recovery
- context
- postmaster
- documented
- true
- enumvals
- 未知
- extra desc
- Maximum distance to read ahead in the WAL to prefetch referenced data blocks.
- lang
- en
- max val
- 1073741823
- metadata version
- 18
- min val
- 65536
- name
- wal_decode_buffer_size
- short desc
- Buffer size for reading ahead in the WAL during recovery.
- source
- pg-settings-source-snapshot
- unit
- B
- vartype
- integer
版本定义 PG 18
A limit on how far ahead the server can look in the WAL, to find blocks to prefetch. If this value is specified without units, it is taken as bytes. The default is 512kB. This parameter can only be set at server start.
比较版本
来源引用
定义来源
center · PostgreSQL 18 · english-manuals:0204a441e5744b1cd99769ca9d4ae19b018b1956890f569425bf35a63806a421
正文语言: en · english-manuals:0204a441e5744b1cd99769ca9d4ae19b018b1956890f569425bf35a63806a421