Wiki / Configuration Parameters
io_method
Selects the method for executing asynchronous I/O. Possible values are: worker (execute asynchronous I/O using worker processes) io_uring (execute asynchronous I/O using io_uring, requires a build with --with-liburing / -Dliburing) sync (execute asynchronous-eligible I/O synchronously) The default is worker. This parameter can only be set at server start.
English manual coverage begins with PostgreSQL 7.4. Source history and runtime observations have their own recorded version boundaries.
Reading PG 18·Select a recorded version
- boot val
- worker
- category
- Resource Usage / I/O
- context
- postmaster
- documented
- true
- enumvals
- sync, worker, io_uring
- extra desc
- Unknown
- lang
- en
- max val
- Unknown
- metadata version
- 18
- min val
- Unknown
- name
- io_method
- short desc
- Selects the method for executing asynchronous I/O.
- source
- pg-settings-source-snapshot
- unit
- Unknown
- vartype
- enum
Definition PG 18
Selects the method for executing asynchronous I/O. Possible values are: worker (execute asynchronous I/O using worker processes) io_uring (execute asynchronous I/O using io_uring, requires a build with --with-liburing / -Dliburing) sync (execute asynchronous-eligible I/O synchronously) The default is worker. This parameter can only be set at server start.
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center · PostgreSQL 18 · wiki-repair-20261023:77d73689bec45f07e481878cc8380446988d90c98593548428110460b03f8584
Text language: en · wiki-repair-20261023:77d73689bec45f07e481878cc8380446988d90c98593548428110460b03f8584