Re: wish for an advice

Thank you very much -- that has helped us to get a great sense of what else
is outthere and what is achievable!

-jiri

At 22:56 06/08/2007, Henrik Nordstrom wrote:
>On mån, 2007-08-06 at 21:49 +0200, Jiri Kuthan wrote:
>
>> We do epoll, that shall be fine then.
>
>Good. Your performance should then be on level with the number of
>message transactions / second (including connection setup/teardown as
>psuedo-messages=, and not dependent on the number of concurrent
>connections.
>
>If you see a dropoff in message transactions / second as the number of
>connections increase then either
>
>a) The TCP/IP stack isn't properly tuned for very many concurrent
>connections. May be a socket hash size that needs to be increased or
>similar.
>
>b) You have some internal design error in your software, looping over
>increasing amount of data as the number of connections increase.
>
>> If we would like to get some lab intelligence, is all we have to do
>> install squid and buy a lot of memory, or is there some other black
>> magic? Have you tried more than 4 GB?
>
>I only had 1GB in the host when performing this test I think. But I
>don't remember exactly.
>
>Used a heavily modified version of idleconn to simulate a large number
>of idling clients with low client requirements. Sources at
>http://www.henriknordstrom.net/code/ (requires libevent).
>
>Regards
>Henrik
>

--
Jiri Kuthan            http://iptel.org/~jiri/