Remove outdated reference to RAID spindles.

Commit b09ff536 left behind some outdated advice in the long_desc field
of the GUC "effective_io_concurrency".  Remove it.

Back-patch to 13.

Reported-by: Andrew Gierth <andrew@tao11.riddles.org.uk>
Reviewed-by: Julien Rouhaud <rjuju123@gmail.com>
Discussion: https://postgr.es/m/CA%2BhUKGJyyWqFBxL9gEj-qtjBThGjhAOBE8GBnF8MUJOJ3vrfag%40mail.gmail.com

diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c
index 30b54312bf11c9d35be653dc98de65c659d8b403..974235d7057fb2248575e44e46bbfd2d62ce8aac 100644 (file)
--- a/src/backend/utils/misc/guc.c
+++ b/src/backend/utils/misc/guc.c
@@ -2921,7 +2921,7 @@ static struct config_int ConfigureNamesInt[] =
            PGC_USERSET,
            RESOURCES_ASYNCHRONOUS,
            gettext_noop("Number of simultaneous requests that can be handled efficiently by the disk subsystem."),
-           gettext_noop("For RAID arrays, this should be approximately the number of drive spindles in the array."),
+           NULL,
            GUC_EXPLAIN
        },
        &effective_io_concurrency,