Added documentation for the histogram printout to syslog.

git-svn-id: file:///svn/unbound/trunk@2153 be551aaa-1e26-0410-a405-d3ace91eadb9

diff --git a/doc/Changelog b/doc/Changelog
index 47c3e25b5fac6b7afadc2a91a095100ddf83b6b8..49e44f4149456f67a678d0c24891cd288ccc4181 100644 (file)
--- a/doc/Changelog
+++ b/doc/Changelog
@@ -6,6 +6,7 @@
        - makedist crosscompile to windows uses builtin ldns not host ldns.
        - Max referral count from 30 to 130, because 128 one character domains
          is valid DNS.
+       - added documentation for the histogram printout to syslog.
 
 11 June 2010: Wouter
        - When retry to parent the retrycount is not wiped, so failed 

diff --git a/doc/unbound.conf.5.in b/doc/unbound.conf.5.in
index 40b4bad8d53fe92e4220bcdc712dba61072830ef..f33da11afc1bd6ea9fed0875bb2678d20a10d769 100644 (file)
--- a/doc/unbound.conf.5.in
+++ b/doc/unbound.conf.5.in
@@ -92,7 +92,10 @@ The verbosity can also be increased from the commandline, see \fIunbound\fR(8).
 .TP
 .B statistics\-interval: \fI<seconds>
 The number of seconds between printing statistics to the log for every thread.
-Disable with value 0 or "". Default is disabled. 
+Disable with value 0 or "". Default is disabled.  The histogram statistics
+are only printed if replies were sent during the statistics interval, 
+requestlist statistics are printed for every interval (but can be 0).
+This is because the median calculation requires data to be present.
 .TP
 .B statistics\-cumulative: \fI<yes or no>
 If enabled, statistics are cumulative since starting unbound, without clearing