[mrtg] Re: data collection did not complete...

Peter Glanville peter_glanville at cuk.canon.co.uk
Mon Apr 14 10:13:37 MEST 2003

>Hi, friends any sugestions about this error???
>2003-04-11 02:04:01 -- Started mrtg
>2003-04-11 11:45:03 -- WARNING: data collection did not complete within
>2003-04-11 11:50:06 -- WARNING: data collection did not complete within

It means that MRTG tried to poll every device, update the Log files, create
the PNG & HTML files etc, and failed to get around all of the Targets
within the interval (default 5 mins).

Probable causes.
If device(s) are down, MRTG retries, and could run out of time.
Is the data/graph/html being written to a local disk, or across a (slow)
So many Targets, MRTG cannot get around in time.

Possible solutions.
Split CFG into sections, and run multiple copies of MRTG simultaneously
(may need additional RAM)
Upgrading to RRD, which eliminates the need to calculate the graphs and
HTML every time? (then requires more processing power when you come to view
the data. Processing power is required on the web server hosting the pages,
which might not be the machine running MRTG)
Increase interval (not desirable)


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