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https://issues.apache.org/jira/browse/ARTEMIS-1096?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15959572#comment-15959572
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ASF GitHub Bot commented on ARTEMIS-1096:
-----------------------------------------
Github user jbertram commented on the issue:
https://github.com/apache/activemq-artemis/pull/1180
It might be good to explicitly log what is being used for the
global-max-size (e.g. an INFO level) when using the default so users understand
it's using Xmx/2.
> Load tests exhaust memory if global-max-size is not set
> -------------------------------------------------------
>
> Key: ARTEMIS-1096
> URL: https://issues.apache.org/jira/browse/ARTEMIS-1096
> Project: ActiveMQ Artemis
> Issue Type: Improvement
> Components: Broker
> Environment: Fedora 25 x86-64, 16G memory
> Reporter: Justin Ross
> Priority: Minor
>
> With the following config (note commented out global-max-size), testq doesn't
> page or block. Under load tests, the broker eventually dies with an OOME. I
> propose that there be some fallback code-level default for global-max-size.
> {noformat}
> <?xml version='1.0'?>
> <configuration xmlns="urn:activemq"
> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
> xsi:schemaLocation="urn:activemq /schema/artemis-configuration.xsd">
> <core xmlns="urn:activemq:core"
> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
> xsi:schemaLocation="urn:activemq:core ">
> <!-- <global-max-size>100Mb</global-max-size> -->
> <acceptors>
> <acceptor
> name="artemis">tcp://localhost:5672?protocols=AMQP,CORE,OPENWIRE</acceptor>
> </acceptors>
> <addresses>
> <address name="testq">
> <anycast>
> <queue name="testq">
> <durable>false</durable>
> </queue>
> </anycast>
> </address>
> </addresses>
> <security-settings>
> <security-setting match="#">
> <permission type="consume" roles="admin"/>
> <permission type="browse" roles="admin"/>
> <permission type="send" roles="admin"/>
> </security-setting>
> </security-settings>
> </core>
> </configuration>
> {noformat}
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