"timfox" wrote : For persistent messages, you are fundamentally limited by the 
speed of your database.
  | 
  | So your persistent message throughput will entirely depend on how your 
Oracle box is set-up tuned etc. Oracle is very tunable however.

For persistent messages in the AUTO_ACK mode,  you are limited by your hard 
disk performance.  The database has to perform sync writes per each message,  
so I doubt Oracle has any advantage/disadvantage in comparison to other 
databases.

But,  what about non_persistent messages ?  In the current JM implementation 
non_persistent delivery performance seems to be determined by the relational 
database backend too as I wrote earlier,  though it does not suffer from sync 
writes as much as persistent delivery does.


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