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From "Vinay (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-10136) Custom JMX server to avoid random port usage by default JMX Server
Date Thu, 06 Feb 2014 05:18:09 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-10136?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13893053#comment-13893053
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Vinay commented on HADOOP-10136:
--------------------------------

Hi steve, Thanks for taking a look here.
bq. how would this get wired up in an application?
Current patch is just implementation of JMXServer. To include in an Application, need to create
instance of JMXServer and start/stop in the application.
bq. what would be very nice would be for the JMXServer to extend AbstractService, and so share
the same lifecycle. Any YARN composite service could simply add it as a child & hook it
into its lifecycle
Yes, good suggestion. I will update patch for this.

> Custom JMX server to avoid random port usage by default JMX Server
> ------------------------------------------------------------------
>
>                 Key: HADOOP-10136
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10136
>             Project: Hadoop Common
>          Issue Type: Improvement
>            Reporter: Vinay
>            Assignee: Vinay
>         Attachments: HADOOP-10136.patch
>
>
> If any of the java process want to enable the JMX MBean server  then following VM arguments
needs to be passed.
> {code}
> -Dcom.sun.management.jmxremote
> -Dcom.sun.management.jmxremote.port=14005
> -Dcom.sun.management.jmxremote.local.only=false
> -Dcom.sun.management.jmxremote.authenticate=false
> -Dcom.sun.management.jmxremote.ssl=false{code}
> But the issue here is this will use one more random port other than 14005 while starting
JMX. 
> This can be a problem if that random port is used for some other service.
> So support a custom JMX Server through which random port can be avoided.



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