[rrd-users] Re: Roll Over at non-standard value (not 32 or 64 bit)

[Tobias Oetiker]

Today you sent me mail regarding [rrd-users] Re: Roll Over at non-standard...:

*> To detect the roll over, you could keep the previous counter value
*> available for your front end.  There are only two cases where the
*> current counter can be smaller than the previous one (either a counter
*> reset or a counter wrap) and in both cases it helps to feed that "U"
*> value.

another option is to use DS type DERIVE and a MIN limit of 0
this will make rollover data disapear as it would become negative

cheers
tobi
*> 
*> regards,
*> 

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