Somewhat tangentially related (and apologies in advance for the shameless personal plug)...
I once found the need to do a mass resize of my RRD files. This was complicated somewhat by the fact that my existing RRD's were of varying sizes (due to an earlier resizing exercise). So I knocked up a script to handle this, which did the job rather well. A copy is at http://perlmonks.org/?node_id=874274 cheers, Darren On 8 December 2011 08:40, Gregory Sloop <gr...@sloop.net> wrote: > Provided I understand these configs right, you've got: > > BC> AVERAGE 0.5 1 5040 #1008 > 5040 minutes of 1 min resolution data. (i.e. 84 hours or 3.5 days) > > BC> AVERAGE 0.5 12 21600 #4320 > BC> MIN 0.5 12 21600 #4320 > BC> MAX 0.5 12 21600 #4320 > > Then the next set is 12 minute steps, and you've got 180 days of 12min > data. > > [These compress the prior 1 min steps by a factor or 1:12. > Again, provided I understand correctly. This seems excessive - I'd > probably keep 30 - 90 days of 12 min data. But I'm not sure what your > goals are - perhaps that 12 minute data is more important than I > realize. But I think I should catch most important stuff in 3 days, > and after 30 days, the data's not terribly important for higher > resolution needs.] > > BC> AVERAGE 0.5 144 3600 #720 > BC> MAX 0.5 144 3600 #720 > BC> MIN 0.5 144 3600 #720 > Then 360 days of 144 minute (~2.3 hr resolution) data. > > --- > Here's what I do: > > I keep one minute data too, and I use > BC> AVERAGE 0.5 1 4320 #3 days, 60 sec resolution > > BC> AVERAGE 0.5 10 4320 #30 days at 10 min resolution > BC> MIN 0.5 10 4320 # > BC> MAX 0.5 10 4320 # > [90 days might be better, but I don't often wish for more than 30-60 > days] > > BC> AVERAGE 0.5 144 2400 #400 days at 2 hr resolution > BC> MAX 0.5 144 2400 # > BC> MIN 0.5 144 2400 # > > IIRC, this results in about 8.5MB rrd files for each monitored device. > This seems like a pretty reasonable file size for me. > > I just calculated it, and this appears to use roughly 0.77 KB per row of > data. [~770KB per 1000 RRD rows or ~1300 rows/MB.] > > HTH > > -Greg > > > > > BC> Hi All, > > BC> Thank you for amazing piece of software! > > BC> I had to very aggressively test packet loss to some servers so I > BC> made the following changes to the Database config. > > BC> *** Database *** > > BC> step = 60 > BC> pings = 20 > > BC> # consfn mrhb steps total > > > BC> AVERAGE 0.5 12 21600 #4320 > BC> MIN 0.5 12 21600 #4320 > BC> MAX 0.5 12 21600 #4320 > BC> AVERAGE 0.5 144 3600 #720 > BC> MAX 0.5 144 3600 #720 > BC> MIN 0.5 144 3600 #720 > > > BC> Basically I multiplied the steps in the config below by 5 as I > BC> was reducing the step period by a factor of 5. > > BC> Should I do this or should I just leave the bits below at their default > values? > > BC> Thanks in advance. > BC> Brian > BC> _______________________________________________ > BC> smokeping-users mailing list > BC> smokeping-users@lists.oetiker.ch > BC> https://lists.oetiker.ch/cgi-bin/listinfo/smokeping-users > > -- > Gregory Sloop, Principal: Sloop Network & Computer Consulting > Voice: 503.251.0452 x82 > EMail: gr...@sloop.net > http://www.sloop.net > --- > > _______________________________________________ > smokeping-users mailing list > smokeping-users@lists.oetiker.ch > https://lists.oetiker.ch/cgi-bin/listinfo/smokeping-users _______________________________________________ smokeping-users mailing list smokeping-users@lists.oetiker.ch https://lists.oetiker.ch/cgi-bin/listinfo/smokeping-users