The ETL sampling process collects the configurations and statistics for the new dashboards.
The engine has a heartbeat that should update every 15 seconds. Sampling runs every 20 seconds.
If the engine is busy and the heartbeat does not update for some reason , the dwh will send an error. It compares the last sync with the heartbeat.
Heartbeat should be newer than the last sync...

On Aug 24, 2016 12:03 PM, "knarra" <knarra@redhat.com> wrote:

Hi All,

I see the event below getting logged in the events tab . What is this event related to ? Why does this get logged as an error ?

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

Thanks
kasturi

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