By default, Xymon’s trends show metrics for the last 48 hours. Should you want to “only” get the last 24 hours on the main “trends” page, you have to edit the xymon/server/etc/xymonserver.cfg
and edit or add the TRENDSECONDS
variable. 86400 will render only the last 24 hours.
Note that TRENDSECONDS
is optimized for the default RRDWIDTH
and INTERVAL
values. Setting random or too small TRENDSECONDS
may lead to ugly graphics rendering.
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