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[atlas]time base / synch for the "lst two hours" graphs?
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Viktor Naoumov
vnaumov at ripe.net
Wed Mar 30 17:02:20 CEST 2011
Hi Wilfried, We cannot display synchronized graphs at the last measurement time position because RRDs are updated only when the measurement data comes from the probe. Probes are allowed to send data not synchronous for all the measurements. As it implemented currently, we stop the graph at the time stamp of the last measurement. We can do it using current time, in this case graphs will be aligned, but unreceived data will be displayed as a gray area, that's what we do not really want. From your email I can guess that you are fetching graphs for your own page. In this case you can set the end time which ever you want: http://atlas.ripe.net/atlas/rrd.png?prb_id=3&msm_id=1001&type=minutely&*end=now* or even allow it to be, for example, 15 minutes older: http://atlas.ripe.net/atlas/rrd.png?prb_id=3&msm_id=1001&type=minutely&*end=now-15min* now is UTC Best regards, /vty On 03/30/2011 04:06 PM, Wilfried Woeber, UniVie/ACOnet wrote: > I just noticed that the various graphs for the "last 2 hours" display > seem to be based on different clocks or update cycles (delta = some 25m). > > Should these graphs be "synchronised"? > > From a UI-perspective it would certainly be a bonus to have them aligned, > at least for one probe. > > All the best, > Wilfried. > -------------- next part -------------- An HTML attachment was scrubbed... URL: </ripe/mail/archives/ripe-atlas/attachments/20110330/cd2e3b98/attachment.html>
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