[ovirt-users] ETL service sampling has encountered an error. Please consult the service log for more details.

[nicolas at devels.es]

Hi,

We're using oVirt 4.1.1.8 (upgraded yesterday) and since it has been 
showing some strange errors I'd like to know about:

     ETL service sampling has encountered an error. Please consult the 
service log for more details.

I'm attaching the engine log FWIW. This message showed up at 11:07:04 
but in the log I see the exceptions started 1 minute ago.

Also, at 11:07:58 this event showed up:

     Engine server is not responding.

And at 11:12:58 it seems to recover:

     Engine server is up and running.

At 12:00:00 this message showed up:

     ETL service aggregation to hourly tables has encountered an error. 
Please consult the service log for more details.

But relative to this one I see nothing in logs.

Could someone clarify what these error messages mean?

Thanks.
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