From ea31142a88c0fb70de61af71be49e9ed0abb982f Mon Sep 17 00:00:00 2001 From: Florian Forster Date: Sun, 25 Apr 2010 14:45:05 +0200 Subject: [PATCH] collectd.conf(5): Document the "Timeout" option. --- src/collectd.conf.pod | 20 ++++++++++++++++---- 1 file changed, 16 insertions(+), 4 deletions(-) diff --git a/src/collectd.conf.pod b/src/collectd.conf.pod index 3c8b26c4..773fc36c 100644 --- a/src/collectd.conf.pod +++ b/src/collectd.conf.pod @@ -102,6 +102,16 @@ Configures the interval in which to query the read plugins. Obviously smaller values lead to a higher system load produced by collectd, while higher values lead to more coarse statistics. +=item B I + +Consider a value list "missing" when no update has been read or received for +I iterations. By default, I considers a value list +missing when no update has been received for twice the update interval. Since +this setting uses iterations, the maximum allowed time without update depends +on the I information contained in each value list. This is used in +the I configuration to dispatch notifications about missing values, +see L<"THRESHOLD CONFIGURATION"> below. + =item B I Number of threads to start for reading plugins. The default value is B<5>, but @@ -4446,10 +4456,12 @@ as a moving average or similar - at least not now. Also, all values that match a threshold are considered to be relevant or "interesting". As a consequence collectd will issue a notification if they are -not received for twice the last timeout of the values. If, for example, some -hosts sends it's CPU statistics to the server every 60 seconds, a notification -will be dispatched after about 120 seconds. It may take a little longer because -the timeout is checked only once each B on the server. +not received for B iterations. The B configuration option is +explained in section L<"GLOBAL OPTIONS">. If, for example, B is set to +"2" (the default) and some hosts sends it's CPU statistics to the server every +60 seconds, a notification will be dispatched after about 120 seconds. It may +take a little longer because the timeout is checked only once each B +on the server. When a value comes within range again or is received after it was missing, an "OKAY-notification" is dispatched. -- 2.30.2