Munin Graphs – Have one graph/plugin only update once per hour

graphmonitoringmuninperformance-monitoring

I am writing a custom munin plugin/graph and it's slightly computationally expensive. It's also unlikely to change much in a few minutes. Is it possible to have this one graph/plugin only update once per hour, and leave the rest of my graphs to update at the usual once per 5 minutes?

Best Answer

I had a similar problem and had the real plugin in cron writing the data every hour to a temp file and then a reading plugin that ran every 5 minutes from munin, but only displayed the last line from the temp file.