[jboss-dev-forums] [Design of Messaging on JBoss (Messaging/JBoss)] - Re: DeliveryCount & ACKs

[timfox]

"clebert.suconic at jboss.com" wrote : Just to complete the thread,
  | 
  | What I was suggesting was to keep incrementing deliveries only after ACK, and recover the delivery counter from the journal, by inspecting rolled back data. 
  | 
  | 
  | But as we talked on IRC, I only created a flag, and if that flag is set we would update the deliveryCount after sending.
  | 

DeliveryCount needs to be updated *before* delivery, not after.

If flag persistDeliveryCountBeforeDelivery = true then you also need to persist the update in storage *before* delivery.

If flag persistDeliveryCountBeforeDelivery = false then you can defer updating delivery count in storage until the reference is cancelled.



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