IF they are using hardware load balancing and it doesn't handle "sticky" sessions then they need to upgrade to a real load balancer. It took me all of 5 minutes to set ours up and we are using 8 web servers behind the scenes.
Mike -----Original Message----- From: frederick valone [mailto:[EMAIL PROTECTED] Sent: Friday, May 06, 2005 10:21 AM To: CF-Server Subject: Re: SPAM-LOW: RE: Losing session variables in multi server environment. CFMX 6. 2 Yeah...thats what I said. Robertson-Ravo, Neil (RX) wrote: >What, setting up sticky sessions is hard? Erm, AFAIK it's a two minute job. > > > >-----Original Message----- >From: frederick valone [mailto:[EMAIL PROTECTED] >Sent: 06 May 2005 16:14 >To: CF-Server >Subject: Re: Losing session variables in multi server environment. CFMX >6.2 > >Yeah.... our OPs team says "It is too hard to set up" I wish I could >say it is "too hard to code" and get away with it. > >That is what I suggested as well as clustering the jrun servers two >physical boxes, and cfmx server instances for failover. > >My manager just wanted to be sure I look at all possiblities prior to >him "Going to bat" for this solution. > > Thanks > >Stephen Moretti wrote: > > > >>Frederick Valone wrote: >> >> >> >> >> >>>We just deployed an application that uses session variables extensively. >>> >>> >This worked well in our development and staged envirionments. However >when we moved it to production the application began "losing" session >information. > > >>>We determined that this is due to the fact that production is two web >>> >>> >servers behind a content switch. The switch is not set to "sticky" >sessions but instead uses a "round robin" sort of system that is >continually redirecting the session to an alternate server. > > >>>We use alot of structures in the session scope to populate and >>>maintain >>> >>> >state for the application so switching to client variables is not a >possibility. > > >>>What is the best way to address this issue? Please respond as soon as >>> >>> >possible (currently running only one server to avoid session issues) > > >>>Any one who may have run into this issue and have specifics on how >>>they >>> >>> >addressed it would be greatly appreciated. > > >>> >>> >>> >>> >>Simple solution - use sticky sessions rather than round robin. >> >>Otherwise read these articles : >>Clustering ColdFusion MX 6.1 Enterprise on JRun >><http://www.bpurcell.org/viewcontent.cfm?contentID=121> - >>http://www.bpurcell.org/viewContent.cfm?ContentID=121 >>Making the Case for CFML on J2EE - >>http://coldfusion.sys-con.com/read/44481.htm >>ColdFusion Clustering Articles - >>http://www.macromedia.com/devnet/mx/coldfusion/clustering.html >> >>Oh and its either CFMX 6.1 or CFMX 7 that you're running ;) >> >>Stephen >> >> >> >> >> > > > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Get the mailserver that powers this list at http://www.houseoffusion.com/banners/view.cfm?bannerid=17 Message: http://www.houseoffusion.com/lists.cfm/link=i:10:5377 Archives: http://www.houseoffusion.com/cf_lists/threads.cfm/10 Subscription: http://www.houseoffusion.com/lists.cfm/link=s:10 Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.10 Donations & Support: http://www.houseoffusion.com/tiny.cfm/54
