Flavio Baronti created QPID-5334:
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Summary: Low throughput with thousands of queues
Key: QPID-5334
URL: https://issues.apache.org/jira/browse/QPID-5334
Project: Qpid
Issue Type: Improvement
Components: C++ Broker, Java Client
Affects Versions: 0.24
Environment: Broker: Linux 2.6.32 64bit
Client: Windows 7, Java 1.7.0_21 64bit
Reporter: Flavio Baronti
I have an use case where I need to create hundreds of thousands of queues,
each one subscribed to a different topic (therefore I have as many topics
as queues).
I set up a test with a single producer generating data on a randomly
chosen topic, and a receiver retrieving data from the queues (and throwing
it away).
I'm using the JMS api, and doing the obvious thing makes the throughput
drop dramatically from 10k msg/sec with a single topic/queue (around the
top my network adapter can sustain) to 20 msg/sec with 100k topics/queues.
I found out that I can recover performance by using more JMS sessions and
connections - e.g. create 4 connections with 100 sessions each, and
randomly distributing the receiving queues on them.
This however is less than ideal, since with the JMS client a thread is
created for each session, I can manage the workload with 1 thread only when
it's over a single queue.
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