Re: Unexpected low CPU usage

On 21 Jan 2008, at 18:28, Johan Stuyts wrote:

>> If so take a look to see if SOAP is using keep-alive (XML-RPC
>> probably is). If it isn't it will close and reopen the socket for
>> each message. This may explain the result you are seeing.
>
> As you assumed XML-RPC would use keep-alive I also did, but it
> turns out
> the assumption was wrong. While preparing to gather more data like
> Endre
> said I ran into the infamous problem with too many ports in the
> 'TIME_WAIT' state on Windows while running the XML-RPC client with
> multiple threads. I had to write a custom transport factory so a
> single
> HTTP client would be used for all requests. This also enabled keep-
> alive
> which caused the issue I have with SOAP to also occur with XML-RPC.
>
> I know where to look for the problem now and will try to find out
> if it is
> a server-side or a client-side issue. If I find the cause and
> hopefully a
> solution, I will post it here.

What happened to the throughput when you enabled keep-alive?

John Wilson

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