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| author | Bruce Momjian <bruce@momjian.us> | 2020-05-21 20:28:38 -0400 |
|---|---|---|
| committer | Bruce Momjian <bruce@momjian.us> | 2020-05-21 20:28:38 -0400 |
| commit | 7bf6b3e0075538598a1fb02a11f3080678814ed5 (patch) | |
| tree | f80bf66ffe46662379689eddbf065d610992c22f | |
| parent | d594e4cd73ea30fd64af0a9d438a8ad498dd50e7 (diff) | |
doc: suggest 1.1 as a random_page_cost value for SSDs
Reported-by: yigong hu
Discussion: https://postgr.es/m/CAOxFffcourucFqSk+tZA13ErS3XRYkDy6EeaPff4AvHGiEEuug@mail.gmail.com
Backpatch-through: 9.5
| -rw-r--r-- | doc/src/sgml/config.sgml | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml index 92681cf4530..d56f4274070 100644 --- a/doc/src/sgml/config.sgml +++ b/doc/src/sgml/config.sgml @@ -3650,7 +3650,8 @@ include_dir 'conf.d' the database is smaller than the total server memory, decreasing random_page_cost can be appropriate. Storage that has a low random read cost relative to sequential, e.g. solid-state drives, might - also be better modeled with a lower value for random_page_cost. + also be better modeled with a lower value for random_page_cost, + e.g., <literal>1.1</literal>. </para> <tip> |