Thanks for the info! Another question - if you have several servers handling WiTango requests how do you monitor their activity? Do you have some way of measuring their load or knowing that the WiTango service has failed?
----- Original Message ----- From: "Robert Shubert" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Thursday, December 11, 2003 6:48 PM Subject: RE: Witango-Talk: Load Balancing Question > Load balancing is achieved by the client (wiis.dll for example) being > told that there are more than one Witango server available to answer > requests. The client actually passes the user's request (GET or POST) to > the server which in turn determines which TAFs, or TCFs it needs to run. > It first checks its local memory cache for the files, and if not > present, it requests the files to be sent by the client. Therefore it is > true to consider that the web server, which contains the Witango client, > is where the TAFs are considered 'local', and are sent from there to the > Witango servers (or services). > > In my setup, my two Witango servers are distinctly separate from web > serving and database duties. It's also nice because you can do the > reverse where more than one web server interacts with one Witango > server. > > Note that when purging the cache (<@PURGECACHE>), it must be done on all > services, or you will have out of sync applications. > > Hope that helps some. > > Robert > > -----Original Message----- > From: Dave Machin [mailto:[EMAIL PROTECTED] > Sent: Thursday, December 11, 2003 11:21 AM > To: [EMAIL PROTECTED] > Subject: Witango-Talk: Load Balancing Question > > I set up a test of load balancing between 2 WiTango servers yesterday, > and found something I didn't expect. I have server A and server B - the > actual .taf files are only on server A. However, when requests were > handled by server B it didn't complain that the .taf files were > unavailable locally. Does server B load the .taf files from server A? > If the files were available on server B would it load it's own local > copies? > > Dave Machin > > > E-Mail. [EMAIL PROTECTED] > Tel. 805.614.0123 x 30 > Address: 3130 Skyway Drive #702 > Santa Maria, CA > 93455________________________________________________TOUNUBCRBE G t > htp//wwwiano.ommallstta > > ________________________________________________________________________ > TO UNSUBSCRIBE: Go to http://www.witango.com/maillist.taf > > ________________________________________________________________________TO > UNSUBSCRIBE: Go to http://www.witango.com/maillist.taf
