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From "Aled Sage (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (BROOKLYN-375) Brooklyn intermittently uses high CPU levels and becomes unresponsive
Date Mon, 21 Nov 2016 00:14:59 GMT

    [ https://issues.apache.org/jira/browse/BROOKLYN-375?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15682085#comment-15682085
] 

Aled Sage commented on BROOKLYN-375:
------------------------------------

We've now added {{SoftRefLRUPolicyMSPerMB=1}} (for both classic and karaf). Therefore marking
this as resolved.

As commented in https://issues.apache.org/jira/browse/BROOKLYN-375?focusedCommentId=15595903&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15595903,
we could also try to replace the use of soft-references with a cache. However, that is not
needed to resolve this issue. We no longer see the high CPU usage.

> 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
>             Fix For: 0.10.0
>
>
> 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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