Re: [akka-user] I just updated to Akka 2.3.3

[Konrad Malawski]

Hello Troy,

Welcome to 2.3.3 :-)

Please refer to the cluster docs about Cluster Metrics to understand what that is used for.

Basically, the JVM does not provide very detailed information via JMX which might be used by for adaptive load balancing. 

Sigar is a lib that is able to provide more fine grained metrics (yet includes native code).

On Thu, Jun 19, 2014 at 4:23 AM, Troy Payne <troy...@gmail.com> wrote:

Hello,

I just updated to Akka 2.3.3 and I'm getting INFO message about retrieving Metrics via MBeans?

Metrics will be retreived from MBeans, and may be incorrect on some platforms. To increase metric accuracy add the 'sigar.jar' to the classpath and the appropriate platform-specific native libary to 'java.library.path'. Reason: java.lang.ClassNotFoundException: org.hyperic.sigar.Sigar

Can someone elaborate on what this is and why it's complaining about it?

Also, if there's a way to make it go away

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Cheers,

Konrad 'ktoso' Malawski

hAkker - Typesafe, Inc

[Patrik Nordwall]

and if you don't use the metrics (adaptive load balancing routers) you can disable it with:

akka.cluster.metrics.enabled=off

/Patrik

Patrik Nordwall
Typesafe -  Reactive apps on the JVM
Twitter: @patriknw