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| author | Bruce Momjian <bruce@momjian.us> | 2025-05-29 12:37:05 -0400 |
|---|---|---|
| committer | Bruce Momjian <bruce@momjian.us> | 2025-05-29 12:37:05 -0400 |
| commit | 03c53a73141aa0e0ee6b0c7642671c1e972bae32 (patch) | |
| tree | aac4ad98e6bd0b70ccc1705132532bbf90dc1488 /doc/src/sgml/release-18.sgml | |
| parent | 470273da0ff766d098c5bc4d0acf3991451b755b (diff) | |
| download | postgresql-master.tar.gz postgresql-master.zip | |
Add "etc." to indicate other actions will also be improved by
asynchronous I/O.
Reported-by: Melanie Plageman
Discussion: https://postgr.es/m/CAAKRu_bqjgSYA+OdemL-X91Yv53OwsVARZy+-tRyj8YQ=kcj0A@mail.gmail.com
Diffstat (limited to 'doc/src/sgml/release-18.sgml')
| -rw-r--r-- | doc/src/sgml/release-18.sgml | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/doc/src/sgml/release-18.sgml b/doc/src/sgml/release-18.sgml index 718f7b20bf1..3315ea52def 100644 --- a/doc/src/sgml/release-18.sgml +++ b/doc/src/sgml/release-18.sgml @@ -569,7 +569,7 @@ Add an asynchronous I/O subsystem (Andres Freund, Thomas Munro, Nazir Bilal Yavu </para> <para> -This feature allows backends to queue multiple read requests, which allows for more efficient sequential scans, bitmap heap scans, and vacuums. +This feature allows backends to queue multiple read requests, which allows for more efficient sequential scans, bitmap heap scans, vacuums, etc. This is enabled by server variable io_method, with server variables io_combine_limit and io_max_combine_limit added to control it. This also enables effective_io_concurrency and maintenance_io_concurrency values greater than zero for systems without fadvise() support. The new system view pg_aios shows the file handles being used for asynchronous I/O. |