yangwei created ARTEMIS-2399:
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Summary: Fix performance degradation when there are a lot of
subscribers
Key: ARTEMIS-2399
URL: https://issues.apache.org/jira/browse/ARTEMIS-2399
Project: ActiveMQ Artemis
Issue Type: Improvement
Components: Broker
Affects Versions: 2.9.0
Environment: broker 2.9.0
cpu: 4 cores, memory: 8G, disk: ssd 500G
broker.xml:
<thread-pool-max-size>60</thread-pool-max-size>
<address-setting match="#">
<max-size-bytes>51Mb</max-size-bytes>
<page-size-bytes>50Mb</page-size-bytes>
<page-max-cache-size>1</page-max-cache-size>
<address-full-policy>PAGE</address-full-policy>
</address-setting>
<message-expiry-scan-period>-1</message-expiry-scan-period>
Reporter: yangwei
We noticed that there was a significant drop in performance when entering page
mode in the case of multiple subscribers.
We created a topic and 100 queues bound to it. We ran our _GrinderRunner test_
in our inner test infra cluster with 500 threads producing message and 560
threads, each one picked a random queue to subscribe. The test showed
performance is bad: 13000 msg/s sent and 5000 msg/s received.
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