You need to limit the number of messages from the spout that are in flight and 
possibly increase the number of ackers.


On December 20, 2016 at 5:59:24 PM, Andrew Neilson ([email protected]) wrote:

Are you calling ack() from within your topology? Make sure you read this 
carefully: 
http://storm.apache.org/releases/1.0.2/Guaranteeing-message-processing.html

Sorry if your issue is deeper than this, but it would help to have more context.

Andrew

On Tue, Dec 20, 2016 at 3:23 AM [email protected] <[email protected]> 
wrote:
Hi  user,

Does anyone know why it happen? The acker does not send message to spout, and 
almost all of the message is timeout.


Joshua
2016-12-20 19:19:45


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