Hi storm experts,


As you can see from this diagram, mqtt_spout appears to have high number of 
failed messages. I have tried following things 
1) Set topology.ackers: 0
2) Walk through the topology to see if there are any bolt that does not ack or 
fail unexpectedly but I didn't see any. 
3) Set the message timeout to 1 hours


All of above does not work so we are wonderring what are the other options and 
why it appears to have high fail rate and how to fix it?


Regards,
Kai

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