[Hawkular-dev] APM - lost requests ?

Gary Brown gbrown at redhat.com
Thu Feb 23 02:55:10 EST 2017


I don't think it can be APM, as it wouldn't be impacted by the scaling of the app - i.e. if it was APM we would see drops in txns at other points where the scaling wasn't occurring.

Regards
Gary

----- Original Message -----
> On 02/22/2017 06:35 PM, Thomas Heute wrote:
> > How do we explain the drops in requests in the following example:
> > http://www.hawkular.org/img/blog/2017/2017-02-13-teaser.png
> >
> > Shouldn't it always be the same load ?
> 
> Yes.
> 
> > Do we know if it's an it's an issue in APM, or is it that the load
> > balancing "lose" some requests as we scale down a server ? or else ?
> 
> Not yet, but I have it on my radar. I think there's something in our
> example that is not perfectly coded, as I've seen some Vert.x warnings
> like "timed out waiting for answer from ...".
> 
> - Juca.
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