Re: [patch 00/13] Syslets, "Threadlets", generic AIO support, v3

David Lang
2007-03-01T19:57:23Z

On Thu, 1 Mar 2007, Johann Borck wrote:

> I reported this a while ago and suggested to have the number of pending
> accepts reported with the event to save that last syscall.
> I created an ab replacement based on kevent, and at least with my machines,
> which are comparable to each other, the load on client dropped from 100% to
> 2% or something. ab just doesn't give meaningful results (if the client is
> not way more powerful). With that new client I get very similar results for
> epoll and kevent, from 1000 through to 26000 concurrent requests, the results
> have been posted on kevent-homepage in october, I just checked it with new
> version, but there's no significant difference.
>
> this is the benchmark with kevent-based client:
> http://tservice.net.ru/~s0mbre/blog/2006/10/11#2006_10_11
> btw, each result is average over 1,000,000 requests
>
> and just for comparison, this is on the same machines using ab:
> http://tservice.net.ru/~s0mbre/blog/2006/10/08#2006_10_08

is this client avaialble? and what patches need to be added to the kernel to use
it?

David Lang