Just to clarify Russ, You still have a (JRun) cluster, even though you are connecting directly to a CF instance?
On Fri, May 16, 2008 at 1:47 AM, Russ <[EMAIL PROTECTED]> wrote: > I can't speak for what is the best solution, but we've had fairly good > experiences using my custom Apache connector that connects to only a single > cluster instance, and having 2 front end Apache servers (which are load > balanced using a hardware load balancer) and 2 backend Apache/CF servers > which are also load balanced using the same hardware load balancer. The > image requests get served by the front end servers, and the CF requests get > forwarded to the backend servers through the load balancer. If an instance > is offline, it gets taken offline by the load balancer and requests are no > longer sent to it until it comes back up. > > I had to modify the Apache connector a bit to make this work. I basically > added a new config command which restricts which instances it's allowed to > connect to. > > Russ > > > -----Original Message----- > > From: AJ Mercer [mailto:[EMAIL PROTECTED] > > Sent: Wednesday, May 14, 2008 6:58 PM > > To: CF-Talk > > Subject: Re: load balancing / failover > > > > So if money was not object, what would be the perfect set up for a > > ColdFusion Environment? > > > > > > Do other vendor's provide a better J2EE server that has better clustering > > that JRun? > > > > When it comes to connecting to the JRun (CF) cluster, does IIS work > > differently than Apache? > > (for clustering) is one better than the other? > > > > > > For what we have been experiencing (IIS [separate server] | CF702/JRun 4 > > updater 7 [2 servers, 2 instances each]; recently JVM1.5), > > it seems to me that there is too much dependence between IIS and > > individual > > CF instances. > > - at times, if one instance does off line, the whole site goes down. > > - if an instance is off-line when IIS comes up, it is not added to the > > cluster when it comes back on-line > > - IIS needs to be restarted if there is a change in the cluster > > > > Has any one noticed any improvements in clustering in CF8? > > > > Updater 7 for JRun was meant to have clustering fixes, but we have not > > noticed it :-( > > > > On Thu, May 15, 2008 at 6:06 AM, Russ <[EMAIL PROTECTED]> wrote: > > > > > > > > > > Russ, I think Rick already basically answered the question of why he > > > > isn't using something more advanced when he said "I don't have a > setup > > > > that warrants having multiple physical servers and a hardware load > > > > balancer". Even LVS would not only require him to use Linux, but > have > > > > an additional physical server to control the load balancing. > > > > > > > Sorry I wasn't following the thread closely. Having two instances on > > the > > > same server won't provide a huge amount of redundancy, but if he wants > > to > > > run everything on the same server, there's again either a shared > > hardware > > > loadbalancer which can be had fairly cheap at a place like HMS, or set > > up > > > LVS or something in VMWare on the same box. If he's already on Linux, > > he > > > can probably even use the same box. > > > > > > I believe Apache also has some rudimentary load balancing built in, but > > it > > > probably wouldn't work for this. > > > > > > Russ > > > > > > > > > > > > > > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Adobe® ColdFusion® 8 software 8 is the most important and dramatic release to date Get the Free Trial http://ad.doubleclick.net/clk;192386516;25150098;k Archive: http://www.houseoffusion.com/groups/CF-Talk/message.cfm/messageid:305386 Subscription: http://www.houseoffusion.com/groups/CF-Talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=11502.10531.4
