Document that Solaris can't use effective_io_concurrency because of an

ineffective posix_fadvise().

diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml
index ce01f93ebd0ae1b7f896e8030503ff78e2f3f6fe..fcff12ae26ef119d5cb80658041259f8c74a9f57 100644 (file)
--- a/doc/src/sgml/config.sgml
+++ b/doc/src/sgml/config.sgml
@@ -1,4 +1,4 @@
-
+
 
 
   Server Configuration
@@ -1253,8 +1253,7 @@ SET ENABLE_SEQSCAN TO OFF;
          function, which some operating systems lack.  If the function is not
          present then setting this parameter to anything but zero will result
          in an error.  On some operating systems the function is present but
-         does not actually do anything.  On such systems setting a nonzero
-         value will add CPU overhead without improving performance.
+         does not actually do anything (e.g. Solaris).