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SubjectRe: tbench as a load - DDOS attack?
On Sun, 16 Feb 2003, Con Kolivas wrote:

>
> Zwane M suggested using tbench as a load to test one of his recent patches and
> gave me the idea to try using tbench_load in contest. Here are the first set
> of results I got while running tbench 4 continuously (uniprocessor machine):
>
> tbench_load:
> Kernel [runs] Time CPU%
> test2420 1 180 38.9
> test2561 1 970 7.7
>
> This is a massive difference. Sure tbench was giving better numbers on 2.5.61
> but it caused a massive slowdown. I wondered whether this translates into
> being more susceptible to ping floods or DDOS attacks? You should have seen
> tbench 16 - 3546 seconds!
>
> comments?

Are you running this via loopback? Can you send a profile during the
2.4.20 run?

Thanks,
Zwane

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