Hi,

I have managed to resolve this problem. If the
proxy.config.http.share_server_sessions config value is set to 0 then this
problem does not occur - the default is 1. When running performance tests I
was using the same server.

Is this a bug? I would have thought that sharing server sessions would make
the performance faster not slower.

Chris Reynolds.

On 22 August 2011 09:48, Chris Reynolds <shann...@gmail.com> wrote:

> Hi,
>
> I am performing some basic performance tests with Traffic Server with and
> without a plugin I have written. I have noticed that if you download
> (without any plugin enabled) a file then download another file that the
> second download is a lot slower that the first one - over 10 times as slow.
> If you then wait for about 10-20 seconds it is back to the original speed.
>
> For example downloading an 8MB file using wget takes about 0.09s, but
> downloading the same or another 8 MB file on the same server again it is
> 1.3s. If I bypass the proxy then the files always downloads at about 0.07s.
>
> This seems to be affecting the overall performance of Traffic Server. Note
> I am using version 3.0.0 with no caching enabled.
>
> Has any one got any ideas?
>
> Thank-you,
>
> Chris Reynolds.
>
>
>

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