Just to close the loop: Made the changes, tested, works perfectly -- thanks again Alex!
On 9/15/2010 9:18 AM, Philip Peake wrote: > Thanks Alex. > > I had actually just been pushing zeros into the DB while the process was > down. > > I see what you are doing - enter an "unknown" value, which will "reset" > the counter, then zero as a reference point, followed by the actual value. > > I can't do exactly this, because my DB actually contains 9 counters, and > typically only one of them will go offline. > > However, I do know when it goes offline, so the first time I can enter a > 'U', and subsequently just zeros. Then when it comes back online it > should pick up correctly. > > > On 9/15/2010 7:40 AM, Alex van den Bogaerdt wrote: >> ----- Original Message ----- >> From: "Philip Peake" <[email protected]> >> To: <[email protected]> >> Sent: Wednesday, September 15, 2010 4:35 PM >> Subject: [rrd-users] Counter resets - how to handle? >> >> >>> I am sampling a counter inside a software process (operations count) >>> and plotting the result over time as a graph. >>> I am using type COUNTER - since this is what it is. >> Good. >> >>> All works well until for some reason the process has to be restarted. >>> At that point rrdtool assumes that the counter overflowed, and shows a >>> huge number of operations. >> Yep. >> >>> Any suggestions on how to deal with this? >> Solution: see my site, http://www.vandenbogaerdt.nl/rrdtool and click on >> RRDtool update tutorial with examples >> This will work if you know a reset is about to occur, or just has occured. >> >> Workaround: set an reasonable maximum for your RRD, so that spikes are >> ignored. Use rrdtool tune to change the maximum allowed rate. >> >> HTH >> Alex >> >> _______________________________________________ >> rrd-users mailing list >> [email protected] >> https://lists.oetiker.ch/cgi-bin/listinfo/rrd-users > _______________________________________________ > rrd-users mailing list > [email protected] > https://lists.oetiker.ch/cgi-bin/listinfo/rrd-users _______________________________________________ rrd-users mailing list [email protected] https://lists.oetiker.ch/cgi-bin/listinfo/rrd-users
