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https://issues.apache.org/jira/browse/ARTEMIS-2399?focusedWorklogId=288753&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-288753
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ASF GitHub Bot logged work on ARTEMIS-2399:
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Author: ASF GitHub Bot
Created on: 05/Aug/19 07:53
Start Date: 05/Aug/19 07:53
Worklog Time Spent: 10m
Work Description: michaelandrepearce commented on issue #2750:
ARTEMIS-2399 Improve performance when there are a lot of subscribers
URL: https://github.com/apache/activemq-artemis/pull/2750#issuecomment-518126703
are you sure its not underlying disk/infra issue, im very surprised by
scenario you explain. Be great to have a recreator. Also if in master already
its unrelated to the work here (eg this work causes no regression in perf). I
would like to avoid conflating issues
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Issue Time Tracking
-------------------
Worklog Id: (was: 288753)
Time Spent: 15h 40m (was: 15.5h)
> Improve performance 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: 15h 40m
> 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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