On May 29, 2006, at 4:34 PM, Matt Keane wrote:
Will using a non-NIO Client help?

probably not, since you'll run out of threads before connections :)

Is this problem Win XP O.S. specific. Does Win XP place a limit on the
number of:
- Simultaneous TCP connections
- File Handles/Descriptors
- Socket buffer size

most likely OS-specific, or at least related to OS-level tuning outside of the realm of the JVM. a quick google search shows that this is something others have encountered..

If the problem is O.S. related:
- Can any of the above parameters be changed, e.g. Registry settings

you'll want to consult someone with windows-specific knowledge for that, don't know if we have any experts on that here.

- What would the best OS for a Server, e.g. Windows Server 2000/2003, or
Linux (which version: Redhat, Fedora, Debian)?

i would not be suprised if Windows Server has the TCP/IP stack tuned differently and does not have the same limit. and iirc, its the same kernel, so you can probably do some registry tweaks if you find what to tune.

Does PC's processor speed/RAM have any effect, i.e. will 300MHz, 128 MB be
as good as 1GHz, 1GB RAM?

more ram might help, worth a shot.
-pete

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