pgsql: doc: suggest 1.1 as a random_page_cost value for SSDs

doc: suggest 1.1 as a random_page_cost value for SSDs

Reported-by: yigong hu

Discussion: /messages/by-id/CAOxFffcourucFqSk+tZA13ErS3XRYkDy6EeaPff4AvHGiEEuug@mail.gmail.com

Backpatch-through: 9.5

Branch
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REL9_5_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/22fc8d1cfc8ced0722ac0dfe417ce4602a272ebc

Modified Files
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doc/src/sgml/config.sgml | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)