[rrd-developers] Re: Posible bug/unexpected behaviour on templated update

[Tobias Oetiker]

Today javier at rediris.es wrote:

> Last week, I tried to modify rrdupdate to met our needs and I discovered
> the problem. In whichever way you call rrdupdate, all datasources are
> set to unknown, and later the command line values are feeded, rewritting
> the previous unknown values. As every datasource last_ds is rewritten,
> those not included in the template gets an unknonw last_ds, leading
> to uknown counter/derive values.

Javier,

if you do not include a variable in the template its value is
assumed to be UNKNOWN. This is the intended behaviour ... updates
to single rrd databases are atomic in the sense that all values
must be updated together ...

cheers
tobi

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