Like the compression idea. We use IIS with Tomcat as the JSP. Would I need to turn on compress in both or just the JSP?
Thank you On Fri, Jan 29, 2010 at 7:34 AM, Doug Blair <d...@blairing.com> wrote: > ** > Hi... > > We have run a local mid-tier server on the other end of a transatlantic > hop, and a second in the middle east, fed by an AR server in the middle of > the US. Dr. Strauss is right, the results as perceived by the user are > significant, and the closer your desktop web browser is to the mid-tier > server, the better. Setting up the pre-fetch file is critical, and creating > your users from templates so that their permission groups are *identical* is > very important too. > > The data that goes between the server and the desktop - the text in an > individual ticket - has to go through that whole network chain regardless of > what you do, but the layouts, labels, any images which are part of the form > all do display faster. > > Another avenue worth trying before you invest in a distant-office mid-tier > (although you really don't need anything more expensive than a small PC to > feed a remote office of a few dozen desktops) is turning on compression in > your main mid-tier web server. This is pretty easy to do in tomcat (only > one I have actually used) and is just a check option in IIS. Most of the > data that travels between a browser and a Remedy server is text, not image > data, and it does compress well. One extreme test case with a very slow > network connection the time to display an incident (ITSM 7.0) went from > about a minute to about 12 seconds - a very significant improvement. Try > this yourself with the worst connection you can arrange - find an old modem > in your storage locker and call a modem pool on another continent or > something. You'll be surprised! > > Hope this helps > > Doug > > > On Jan 28, 2010, at 9:27 AM, strauss wrote: > > ** > > Most sites that I have heard discuss this believed that they got better > performance with a mid-tier server placed at or near the remote site. BTW, > any mid-tier 7.1 server that is pre-fetching and caching the ITSM 7.0 > application is going to take about 30 minutes to do so, even if it is > sitting on the same subnet (and in the same rack) as the AR Server. If you > add more forms to the pre-fetch list (there are several called from the > Incident Management app that you will want to add, like CTM:People Search > and HPD:WorkLog), it may take longer due to the network “distance” between > your servers. My pre-fetch xml file has 525 lines per user and three levels > of user and caches about 175 forms. The difference in performance once it > has been cached, as seen by the user, is dramatic. > > > > Christopher Strauss, Ph.D. > Call Tracking Administration Manager > University of North Texas Computing & IT Center > http://itsm.unt.edu/ > > *From:* Action Request System discussion list(ARSList) [mailto: > arsl...@arslist.org] *On Behalf Of *Frank Caruso > *Sent:* Thursday, January 28, 2010 9:05 AM > *To:* arslist@ARSLIST.ORG > *Subject:* Remote MidTier Server > > > > ** > > Windows 2003 > > SQL Server 2005 > > ARS 7.1p6 > > MidTier 7.1p5 > > ITSM 7.03 > > > > Will locating a Remedy MidTier server closer to a group of users help with > performance? > > > > Some of our remote sites are feeding off of very small pipes back to > the ARS host. Users frequently get errors popping up in the MidTier which I > can only figure are due to network latencies. Use of the Remedy user > tool can also be painfully slow. We have fixed some issues with network > routes (5 hops) but looking at ping times of 500 - 600 ms. I have built a > new web server at the remote site and am now in the process of caching the > forms. So far this process has been very slow - around 30 minutse to cache > Home page and Incident console. > > > > Any thoughts on whether users will see an increase in performance? > > > > Frank Caruso > > Iraq > > > > > > _Platinum Sponsor: rmisoluti...@verizon.net ARSlist: "Where the Answers > Are"_ > _Platinum Sponsor: rmisoluti...@verizon.net ARSlist: "Where the Answers > Are"_ > > > > > Doug > > -- > Doug Blair > d...@blairing.com > +1 224-558-5462 > > 200 North Arlington Heights Road > Arlington Heights, Illinois 60004 > > > > _Platinum Sponsor: rmisoluti...@verizon.net ARSlist: "Where the Answers > Are"_ > _______________________________________________________________________________ UNSUBSCRIBE or access ARSlist Archives at www.arslist.org Platinum Sponsor:rmisoluti...@verizon.net ARSlist: "Where the Answers Are"
