On Wed, Mar 11, 2009 at 10:53 AM, Allan Schrum <asch...@ecdeliverysystems.com> wrote: >> -----Original Message----- >> From: cygwin-ow...@cygwin.com [mailto:cygwin-ow...@cygwin.com] On >> Behalf Of Dave Steenburgh >> Sent: Wednesday, March 11, 2009 10:45 AM >> To: cygwin@cygwin.com >> Subject: Re: Connecting to cygwin ssh is slow >> >> On Wed, Mar 11, 2009 at 10:05 AM, UdiK <u...@commtouch.com> wrote: >> > When I connect to our cygwin SSH machine (Windows 2003 server), it >> usually >> > takes more than 5 seconds to get a prompt and be able to start >> working. This >> > delay slows down many of our scripts which rely on SSH to connect to >> > Windows. >> > >> > What causes this delay? What is SSH doing that is taking it so long? >> I don't >> > have any anti-virus running on that machine. If anybody has any >> explanations >> > I really appreciate the help. >> >> Connect, then immediately logoff and connect again. Does the second >> connect have the same pause? If not, then I suspect the delay is your >> hard drive. If you connect infrequently, then when you do connect, >> it's likely that the necessary processes (or parts of them) will have >> to be retrieved from the page file, and any configuration files will >> probably have to be loaded from the hard drive. If you connect >> frequently, I think there's a way to make the ssh connection >> persistent---you might avoid the delay that way, or lessen it. I >> don't know how to set that up, though. >> >> I also experience a delay when I make the first connection, but >> subsequent connections are pretty snappy. Most of the time I don't >> need subsequent connections, but I do have a script that makes two >> connections. If this isn't the answer, then I'd like to know what is, >> so I can improve that first connection time. > > Don't forget DNS lookup time.
Good point. Taking that out of the equation, there's still a noticeable delay when I connect across my home LAN using the IP address. -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
