Experimental Physics and Industrial Control System
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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
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ANJ, 02 Sep 2010 |
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