[Rhm-users] RHM performance

[Gordon Sim]

Gordon Sim wrote:
> Andy Grove wrote:
>> The client that starts with a single thread and then adds a new thread 
>> every 5 seconds. Each thread continuously publishes a fixed size 
>> message to one of 50 topics at random. Throughput is measured on the 
>> client for each 5 second duration (the cost of setting up each thread 
>> and connecting to JMS is excluded from the throughput measurement). 
> 
> I suspect a large part of the difference between the measurements for 
> the two systems may be attributable to the fact that publish is 
> synchronous for durable messages in 0-10 (the next message is not sent 
> until the broker acknowledges the previous one) whereas in 0-8 there is 
> no confirmation of the publication (the fact that send() returns does 
> not necessarily imply that the broker has even received it, let alone 
> stored it).

Sorry, I may have inadvertently given the impression that the 0-10 
protocol requires synchronous publish for durable messages. That is not 
the case. It is an implementation in the current jms client and will 
likely soon be configurable.