Re: gateway throttling events?

[Janet Anderson <jba@aps.anl.gov>]

A new gateway release, Gateway2-0-3-0, restoring the old gateway default 
behavior is now available.
Now if "-archive" is not used gateway will post log events along with 
value change events.

Janet

Gasper Jansa wrote:
> Hi Chris
>
> The reason for this is that gateway no longer posts events with log 
> event mask if  'archive' option is not used.
> I can see that this can be interpreted as wrong behavior. It could be 
> changed in a way that if  'archive' option is not used the gateway 
> should posts all events with value/log mask which means that archiver 
> would get all value changes dictated by MDEL and ADEL would be ignored.
>
> Best Regards
> Gasper
>
> Chris Timossi wrote:
> > I'm using the latest version of the gateway with EPICS base 3.14.9 
> > together with the Channel Archiver as a client. I'm curious why the 
> > Archiver records so much less data through the gateway than it does 
> > archiving the IOC data directly. I'd expect some difference, but it 
> > seems like the Archiver hardly sees any value-change events through 
> > the GW.
> >
> > I'm looking at about 1000 PVs with the MDELs set such that events 
> > should be coming in at a high rate; in fact, the GW clientEventRate 
> > is 5000hz. But  the archiver is missing almost all the value changes 
> > (though it does seem to catch severity changes). I'm using the 
> > 'no_cache' option but it doesnt make any difference.
> > I'm purposely not using the 'archive' option. I dont remember the 
> > older CA GW behaving this way.
> >
> > Chris Timossi
> > Advanced Light Source
> > Lawrence Berkeley Laboratory