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https://issues.apache.org/jira/browse/ARTEMIS-2399?focusedWorklogId=268013&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-268013
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ASF GitHub Bot logged work on ARTEMIS-2399:
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Author: ASF GitHub Bot
Created on: 26/Jun/19 21:53
Start Date: 26/Jun/19 21:53
Worklog Time Spent: 10m
Work Description: clebertsuconic commented on issue #2730: ARTEMIS-2399
Fix performance degradation when there are a lot of subscribers
URL: https://github.com/apache/activemq-artemis/pull/2730#issuecomment-506059293
@wy96f it would be nice to bring these discussions to the Dev List .. this
is really great stuff to be discussed there.
The only thing I'm concerned is the breaking of SoftReferences here... we
either remove SoftReferences altogether, or we keep them the way they are
now... it seems we are in midle ground.
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Issue Time Tracking
-------------------
Worklog Id: (was: 268013)
Time Spent: 5h (was: 4h 50m)
> 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
> Priority: Major
> Time Spent: 5h
> Remaining Estimate: 0h
>
> 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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