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From Igor Galić <i.ga...@brainsware.org>
Subject Re: svn commit: r1419255 - /trafficserver/site/trunk/content/docs/trunk/admin/cluster-howto/index.en.mdtext
Date Mon, 10 Dec 2012 11:17:34 GMT


----- Original Message -----
> Author: zym
> Date: Mon Dec 10 08:07:12 2012
> New Revision: 1419255
> 
> URL: http://svn.apache.org/viewvc?rev=1419255&view=rev
> Log:
> add PerformanceTweak for Cluster
> 
> Modified:
>     trafficserver/site/trunk/content/docs/trunk/admin/cluster-howto/index.en.mdtext
> 
> Modified:
> trafficserver/site/trunk/content/docs/trunk/admin/cluster-howto/index.en.mdtext
> URL:
> http://svn.apache.org/viewvc/trafficserver/site/trunk/content/docs/trunk/admin/cluster-howto/index.en.mdtext?rev=1419255&r1=1419254&r2=1419255&view=diff
> ==============================================================================
> ---
> trafficserver/site/trunk/content/docs/trunk/admin/cluster-howto/index.en.mdtext
> (original)
> +++
> trafficserver/site/trunk/content/docs/trunk/admin/cluster-howto/index.en.mdtext
> Mon Dec 10 08:07:12 2012
> @@ -129,3 +129,21 @@ node, will take effect on **all** nodes.
>  To delete a node from the Traffic Server cluster, just roll back
>  `proxy.config.cluster.type` to the default value 3 and reload.
>  
> +
> +# Performance tweak for busy Cluster # {#PerformanceTweak}
> +
> +Starting from v3.2.0, Apache Traffic Server can handle multiple
> internal cluster connections,
> +and we can tweak for the Cluster threads and connections:
> +
> +* Increasing Cluster threads:
> + In the cluster env, the current performance of the Cluster threads
> will consume the same cpu
> + usage as net threads, so you may adapt the ET_NET & ET_CLUSTER at
> about 1:1. For example, on
> + a 24 cores system, set ET_NET threads to 10, ET_CLUSTER threads to 10.
> +        traffic_line -s proxy.config.cluster.threads -v 10

Judging from: http://trafficserver.staging.apache.org/docs/trunk/admin/cluster-howto/#PerformanceTweak

This may need another return.


> +
> +* Setup the Cluster connections:
> + In the Cluster, the internal connections is TCP and limited by
> ET_CLUSTER threads and network
> + performance, we can increase the connections to archive better
> performance.
> +	traffic_line -s proxy.config.cluster.num_of_cluster_connections -v 10

Same here.

> +
> +with these tweak, we can archive about 10gbps traffic for the
> internal cluster transfer speed.
> 
> 
> 

-- 
Igor Galić

Tel: +43 (0) 664 886 22 883
Mail: i.galic@brainsware.org
URL: http://brainsware.org/
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