Re: Backlog data causes producers to slow down.

2011-12-21 Thread bbansal
tent, this > is expected as they share a resource, the consumer dispatch queue. > Batching acks either using client ack mode or transactions helps > reduce the overhead. > > If you have not yet tried a 5.6-SNAPSHOT, can you verify it behaves the > same. > > > On 13 Se

Re: Backlog data causes producers to slow down.

2011-09-13 Thread bbansal
Hey Folks, I tried the concurrentStoreAndDispatchQueues="false" and it didn't help. I still see around 10X drop in producer throughput with backlog. 1 Queue , 8 producers, 2 consumers , No backlog : 1200 QPS (producer), 1200 QPS (consumer) 1 Queue, 8 Producer, 2 consumer, 4GB backlog (2M events)

Re: Backlog data causes producers to slow down.

2011-09-12 Thread bbansal
if there is a real contention problem there. > If you can generate a simple junit test case that demonstrates the > behavior you are seeing, please open a jira issue and we can > investigate some more. > A test case will help focus the analysis. > > On 12 September 2011 01:08, b

Re: Backlog data causes producers to slow down.

2011-09-11 Thread bbansal
Thanks, I think I have disabled producer flow control in my config as Is this sufficient or I nee

Backlog data causes producers to slow down.

2011-09-11 Thread bbansal
Hello folks, I am evaluating ActiveMQ for some simple scenarios. The web-server will push notifications to the queue/topic to be consumed by one or many consumers. The one requirement is web-server should not get impacted or should be able to write at their speed even if consumers goes down etc.