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https://issues.apache.org/jira/browse/ARTEMIS-2399?focusedWorklogId=279040&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-279040
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ASF GitHub Bot logged work on ARTEMIS-2399:
-------------------------------------------
Author: ASF GitHub Bot
Created on: 18/Jul/19 14:36
Start Date: 18/Jul/19 14:36
Worklog Time Spent: 10m
Work Description: clebertsuconic 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-512843045
Can you rebase this and fix the merging issue? I have merged your other PR
and there's a clash now.
In the process, please add the new component into features as a dependency.
on features.xml
```xml
<feature name="artemis-core" version="${pom.version}"
description="ActiveMQ Artemis broker libraries">
<feature>artemis-common</feature>
<feature>scr</feature>
<configfile
finalname="etc/org.apache.activemq.artemis.cfg">mvn:org.apache.activemq/artemis-features/${pom.version}/cfg</configfile>
<configfile
finalname="etc/artemis.xml">mvn:org.apache.activemq/artemis-features/${pom.version}/xml/artemis</configfile>
<bundle
dependency="true">mvn:org.apache.geronimo.specs/geronimo-jms_2.0_spec/${geronimo.jms.2.spec.version}</bundle>
<bundle
dependency="true">mvn:org.apache.commons/commons-configuration2/${commons.config.version}</bundle>
<bundle
dependency="true">mvn:org.apache.commons/commons-text/1.6</bundle>
<bundle
dependency="true">mvn:org.apache.commons/commons-lang3/${commons.lang.version}</bundle>
<!-- ******** you need to add this next line please: -->
<bundle
dependency="true">mvn:org.jctools/jctools-core/${jctools.version}</bundle>
<!-- Micrometer can't be included until it supports OSGi. It is
currently an "optional" Maven dependency. -->
<!--bundle
dependency="true">mvn:io.micrometer/micrometer-core/${version.micrometer}</bundle-->
<bundle>mvn:org.apache.activemq/activemq-artemis-native/${activemq-artemis-native-version}</bundle>
<bundle>mvn:org.apache.activemq/artemis-server-osgi/${pom.version}</bundle>
</feature>
```
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Issue Time Tracking
-------------------
Worklog Id: (was: 279040)
Time Spent: 12h 10m (was: 12h)
> 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: 12h 10m
> 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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