From: Carsten Pedersen
Date: January 5 2011 8:08am
Subject: Re: unauthenticated user | while load testing
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Usually this is caused by DNS-based authentication, where the 
reverse-DNS lookups are hanging for one reason or another.

If you can, switch to IP-based authentication and use --skip-name-resolve.

/ Carsten

On 05.01.2011 08:26, Yogesh Kore wrote:
> Hi,
>
> What is unauthenticated user seen in mysql processlist ?
>
> I am doing load testing and at a single time more than 1000 users are coming
> to mysql server.
>
> Do any one have idea about it?
>