Re: [pcp] RFC - pmie "ruleset" extension

[Nathan Scott <nathans@xxxxxxxxxx>]

----- Original Message -----
> On 24/06/14 11:33, Mark Goodwin wrote:
> > ...
> > Not just messy, but rather inefficient and probably error prone too
> > because despite the repeated negation, the postfix.queues.* metrics
> > could change between the multiple rule evaluations (so more than one
> > rule could trigger). Actually - it depends on whether pmie does one
> > fetch per rule or one fetch per update cycle(?)
> 
> I think this is OK in the general case ... Frank's collapsing of the
> fetch groups

Hmm - which?  Are you thinking of the pmlogger changes in commits
e2301eb9, 0e68280 and finally a7f30720?  I don't think those would
come into play here (live mode pmie feeding events to Nagios)...?

 makes it much more likely that multiple rules with the same
> sampling interval and metrics in common will see consistent values
> across all of the rules.

(IOW, this may still need pmie changes - those changes were pmlogger-
specific)

cheers.

--
Nathan