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https://issues.apache.org/jira/browse/BROOKLYN-375?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15602061#comment-15602061
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Duncan Godwin commented on BROOKLYN-375:
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The {{-XX:SoftRefLRUPolicyMSPerMB=1}} parameter made a significant difference:
Before:
!https://s3.amazonaws.com/drigodwin-misc/Before-refs-usage.png|width=400!
After:
!https://s3.amazonaws.com/drigodwin-misc/After-refs-usage.png|width=400!
> Brooklyn intermittently uses high CPU levels and becomes unresponsive
> ---------------------------------------------------------------------
>
> Key: BROOKLYN-375
> URL: https://issues.apache.org/jira/browse/BROOKLYN-375
> Project: Brooklyn
> Issue Type: Bug
> Environment: OSX Sierra, Java 1.7
> Reporter: Duncan Godwin
>
> Intermittently whilst launching a clocker swarm within brooklyn, it uses high
> CPU levels and becomes unresponsive. This was noted when testing failover by
> manally stopping some nodes with `shutdown -h`.
> [jstack 1|https://gist.github.com/drigodwin/c5946d23ed11350f393d9ba9b80a2a2d]
> [jstack 2|https://gist.github.com/drigodwin/5619b02c0c1d53ceb0c99234d8f0dd96]
> [jclouds.debug.log|https://gist.github.com/drigodwin/365d39d216e6a56c634a5020496ef8f1]
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