> Hi all, > I am polling a number of 64-bit counter values every 5 minutes / 300 > seconds. In reality, I do not poll each device every 300 seconds exactly. > There will inevitably be some degree of variation in the frequency of data > acquisition. > Question: If the duration of time since last polling a device is over > the 5 minute mark (say 6 minutes), does RRD Tool calculate the 5 minute > average by dividing the delta by 360 seconds instead of 300 ? > I found the following blurb from RRD Tool's Web page (below). It reads > like it might. Just want to be sure though... > Thanks in advance.... > Brad > > > > Data acquisition > When monitoring the state of a system, it is convenient to have the data > available at a constant interval. Unfortunately you may not always be able > to fetch data at exactly the time you want to. Therefore rrdtool lets you > update the logfile at any time you want. It will automatically interpolate > the value of the data-source ( DS) at the latest official time-slot and > write this value to the log. The value you have supplied is stored as well > and is also taken into account when interpolating the next log entry. >
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