X-Git-Url: http://www.project-moonshot.org/gitweb/?a=blobdiff_plain;f=doc%2Ftuning_guide;h=bf972fad605ae44b0ea7aed096ddc63b5b5d0e71;hb=HEAD;hp=2e549f6a50255c5a953ea067594f0ed441859f68;hpb=4fcad04bff0f461ea6c81b45630b3b30a56511ca;p=freeradius.git

diff --git a/doc/tuning_guide b/doc/tuning_guide
index 2e549f6..bf972fa 100644
--- a/doc/tuning_guide
+++ b/doc/tuning_guide
@@ -54,6 +54,9 @@ o Add AcctUniqueId in the accounting_stop query. Especially if you have a lot of
 o Enable noatime on the counter db files.
 o Tune the cache-size configuration directive to match your needs.
   The cache size should be set to 2-3 * number of available nas ports.
+o Keep the database in a memory mapped file if you can help. Backup the
+  file every 10 mins to the disk and copy it to the memory mapped one
+  on server startup.
 
 ------------ RADUTMP MODULE ----------
 o Enable noatime on the radutmp file