X-Recipient: archive-cygwin AT delorie DOT com X-SWARE-Spam-Status: No, hits=-2.6 required=5.0 tests=BAYES_00,SPF_HELO_PASS,SPF_PASS X-Spam-Check-By: sourceware.org Message-ID: <4A47FB36.9080300@kc8onw.net> Date: Sun, 28 Jun 2009 19:22:30 -0400 From: Jonathan User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.1b3pre) Gecko/20090223 Thunderbird/3.0b2 MIME-Version: 1.0 To: cygwin AT cygwin DOT com Subject: Re: 1.7 ssh/rsync consuming all cpu on x64 Vista References: <4A457DAE DOT 7010204 AT kc8onw DOT net> <4A47CD6B DOT 3090802 AT kc8onw DOT net> In-Reply-To: <4A47CD6B.3090802@kc8onw.net> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-IsSubscribed: yes Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com Delivered-To: mailing list cygwin AT cygwin DOT com Another data point: I only see the high CPU usage when sending, receiving data runs about the expected speed and CPU usage. On 6/28/2009 4:07 PM, Jonathan wrote: > I have also tried the rsync transfer from safe mode which makes a BLODA > issue highly unlikely and then from a clean 1.7 install after renaming > my existing install folder. Rsync and ssh both max out a processor core > each for the transfer and it still goes much slower than it should. > > Should I test a 1.5 install to see if it's a regression with 1.7 and 64 > bit Vista? > > On 6/26/2009 10:02 PM, Jonathan wrote: >> I've noticed that most of the time when doing an rsync tranfser over ssh >> from my laptop to my server both ssh and rsync will max out a processor >> core each and the transfer rate, even on a gigabit LAN, is only about >> 250KB/s. >> >> Other than the slow transfer rate and significant CPU usage rsync seems >> to run correctly. >> >> I tried to browse the strace output from a partial run but I don't know >> enough to see anything obviously wrong in the strace output. >> >> uname -a >> CYGWIN_NT-6.0-WOW64 SAGER9262 1.7.0(0.210/5/3) 2009-06-18 12:51 i686 >> Cygwin -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple