[jcifs] Mike or Chris

[Allen, Michael B (RSCH)]

I don't think I can look at it now anyway Dan. I'll consider your findings in the next round.

Thanks,
Mike

> -----Original Message-----
> From:	Dan Dumont [SMTP:Dan at canofsleep.com]
> Sent:	Wednesday, April 30, 2003 5:32 PM
> To:	jcifs at lists.samba.org
> Cc:	'Allen, Michael B (RSCH)'
> Subject:	RE: [jcifs] Mike or Chris
> 
> Without trying to connect to a host, how will I know if it can accept
> connections?  With this line uncommented, the only thing I saw was that the
> maxmpxcount would be reduced to about 5, which would mean that only 5
> computers would be scanned at a time, all of which fall victim to the the
> 1.5 minute timeout.
> 
> I can send you the code that I have, provided you can get a long listing of
> ip addresses.   You can see the performance difference, I think it may
> surprise you.
> 
> -----Original Message-----
> From: Allen, Michael B (RSCH) [mailto:Michael_B_Allen at ml.com] 
> Sent: Tuesday, April 29, 2003 6:44 PM
> To: 'Dan Dumont'; jcifs at lists.samba.org
> Subject: RE: [jcifs] Mike or Chris
> 
> Dan,
> 
> If you comment out that line you are basically letting jCIFS create
> unlimited transports. This will permit jCIFS to very quickly make GREAT
> progress in creating hundreds of useless connections to
> hosts that do not exist and will basically result in nothing but wasting
> GREAT amounts of resources. I doubt overall performance increased. It would
> also be possible (although highly unlikely in your
> context) to create more than the negotiated conurrent requests acceptable to
> a server.
> 
> I have tried to explain as best I can why you're having this "problem" which
> also explains why your perl script runs more quickly. I would suggest you
> read up on Transmission Control Protocol (TCP).
> It's what Java uses to create stream based sockets like those used by jCIFS.
> Then go back and review my original responses to your questions
> (particularly the part about the lack of asyncronous IO
> facilities in Java).
> 
> Mike
> 
> > -----Original Message-----
> > From:	Dan Dumont [SMTP:Dan at canofsleep.com]
> 
> 
> 
>