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From Sudheer Vinukonda <sudhe...@yahoo-inc.com>
Subject Re: ET_NET Consistently at 6-18% CPU Utilization
Date Tue, 28 Oct 2014 00:15:05 GMT
You may try running "perf top -p ($pidof traffic_server)" to check where the CPU cycles are
being spent.

Thanks,

Sudheer

> On Oct 27, 2014, at 4:24 PM, "Jason J. W. Williams" <jasonjwwilliams@gmail.com>
wrote:
> 
> Seeing an odd issue on the new Ubuntu 14.04 boxes we're loading with
> Traffic Server 4.2.1.1. The [ET_NET 0] process runs consistently at
> 6-18% CPU utilization with no traffic being processed. The exact %
> depends on the CPU speed (e.g. a 2.1 GHz 8-core box runs at 18%, a
> 2.93GHz 8-core runs at 6%).
> 
> For comparison a 2-core 2.0GHz old Opteron box with a moderate load is
> running 0-5% CPU...but it's running Ubuntu 10.04.
> 
> Not sure how to track down the cause because the logs are quiet.
> 
> 
> -J

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