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At Tuesday 29/8/2006 10:45, bwhicks at aep.com wrote: >We have cvsnt 2.5.02.2099 running on redhat ES3.7. Almost all of our >clients are running windows and we use the sspi protocol with winbind. > >One of our groups uses Cruise Control for automatic building. The userid >used for this process is local to the linux box and uses sserver for >connecting. When a build kicks off, the load on the linux box goes up to >around 1.6 and other users' sspi authentication requests fail. > >Does anybody have any ideas about the cause or a possible workaround? A >single user shouldn't be able to lock everyone else out like that... This old message may be of interest: >Subject: RE: [cvsnt] Strange CVS performance fluctuation >Date: Wed, 21 Jun 2006 08:58:57 +1200 >Message-ID: <FB1D5769F12AF54EB58B29B12517B2650193AA9E at svmxc301.ap.aderant.com> >X-MS-Has-Attach: >X-MS-TNEF-Correlator: >Thread-Topic: [cvsnt] Strange CVS performance fluctuation >From: "Trevor Leybourne" <trevor.leybourne at aderant.com> >To: "Tobias Rodenbach" <tr.mailinglists at gmail.com>, <cvsnt at cvsnt.org cvsnt downloads at march-hare.com @CVSNT on Twitter CVSNT on Facebook> >X-Virus-Scanned: by amavisd-new-20030616-p10 (Debian) at nodomain.org >X-Spam-Status: No, hits=-2.4 tagged_above=-1000.0 required=3.5 tests=AWL, > BAYES_00, FORGED_RCVD_HELO >X-Spam-Level: >X-BeenThere: cvsnt at cvsnt.org cvsnt downloads at march-hare.com @CVSNT on Twitter CVSNT on Facebook >X-Mailman-Version: 2.1.5 >Precedence: list >List-Id: cvsnt Mailing List <cvsnt.cvsnt.org> >List-Unsubscribe: <http://www.cvsnt.org/cgi-bin/mailman/listinfo/cvsnt https://www.march-hare.com/cvspro/en.asp#downcvs>, > <mailto:cvsnt-request at cvsnt.org?subject=unsubscribe> >List-Archive: <http://list.nodomain.org/pipermail/cvsnt> >List-Post: <mailto:cvsnt at cvsnt.org cvsnt downloads at march-hare.com @CVSNT on Twitter CVSNT on Facebook> >List-Help: <mailto:cvsnt-request at cvsnt.org?subject=help> >List-Subscribe: <http://www.cvsnt.org/cgi-bin/mailman/listinfo/cvsnt https://www.march-hare.com/cvspro/en.asp#downcvs>, > <mailto:cvsnt-request at cvsnt.org?subject=subscribe> > > >Just some ideas and feedback if it will help, > >We've been having similar and significant problems here as well. Our CPU >rarely goes above about 5-10% usage (even with 10-20 cvs.exe processes >---- it's a fairly grunty Windows 2003 Server) and yet a checkout that >would normally take less than 15 minutes will take more than a hour when >multiple people are accessing it. > >Our IT guys have spent a lot of time evaluating the issue and the issues >has been resolved as being disk contention (see timer results below). > >We found that running on a server with Raid 1 was costly and have moved >the disk array to Raid 5 instead (no significant difference between SAN >and LOCAL disk). > >Also, if you are using something like CruiseControl for your build >process, look at the URL Build Trigger rather than the standared build >trigger. The standard build trigger uses a CVS LOG command to look for >changes and this is a significant process to run against a large >repository. > >We ran a test of having 3 PCs each running 3 concurrent checkouts >against CVS. Here are the results against different disk configurations >and are in Minutes. The repository size is around 850Mb and a checked >out Sandbox is 540Mb (6,000 files in 250 folders) > > (RAID5 Local) (RAID1 Local) (RAID5 SAN) >Test1 14 77 15 >Test2 15 77 15 >Test3 14 76 15 >Test4 16 78 16 >Test5 16 77 16 >Test6 16 77 16 >Test7 16 72 17 >Test8 16 78 17 >Test9 16 79 16 > >The CVS Server is 2.5.02.2115 and the client was 2.5.03.22650 > >Cheers >Trevor > >-----Original Message----- >From: cvsnt-bounces at cvsnt.org [mailto:cvsnt-bounces at cvsnt.org] On Behalf >Of Tobias Rodenbach >Sent: Wednesday, 21 June 2006 1:41 a.m. >To: cvsnt at cvsnt.org cvsnt downloads at march-hare.com @CVSNT on Twitter CVSNT on Facebook >Subject: [cvsnt] Strange CVS performance fluctuation > >Hello, > >I observed the following strange behaviour, when "many" people tried to >access our cvs server (I counted about 35 instances of cvs.exe). >Then, the CPU usage history of the Windows Task Manager shows that CPU >Usage goes to about 50% for about 10 seconds, then drops to below 3% for >about 10 seconds, rises to about 50% for 10 seconds and so on... >Sometimes CPU usage stays high or low for more than 10 sec but most of >the time it alternates in the 10 second scheme. > >In general, the performance is very low. Checking out using a tag (which >is the most common case here) can take up to one hour for around 6 MB in >the local LAN. ("Normally" that takes significantly less than one >minute.) > >The host is a Win2003 server with 2 hyperthreading CPUs, the cvsnt >server is version 2.5.02 build 2115. > >Does anyone have any idea what could be the reason for this behaviour? > >Best regards > Tobias Gabriel Genellina Softlab SRL __________________________________________________ Preguntá. Respondé. Descubrí. Todo lo que querías saber, y lo que ni imaginabas, está en Yahoo! Respuestas (Beta). ¡Probalo ya! http://www.yahoo.com.ar/respuestas