I don't know if it is of any help, but when one of our instances stops receiving any requests, it takes a IIS restart to pick it up again.
Bouncing the instance has no effect On Thu, Feb 28, 2008 at 7:02 PM, James Buckingham <[EMAIL PROTECTED]> wrote: > Hi there, > > We've been having a lot of problems recently with one of our Cluster > instances whereby it keeps either shutting itself down or starts to reject > threads. There isn't a set pattern to when this happens but it is only > happening on one instance (we have four in total separated 50/50 on two > servers). > > When JRun starts rejecting requests we're seeing this kind of thing in the > logs: > > 27/02 10:44:01 metrics Web threads (busy/total): 0/10 Sessions: 4520 Total > Memory=65472 Free=8732 > 27/02 10:45:01 metrics Web threads (busy/total): 0/11 Sessions: 4515 Total > Memory=56320 Free=8533 > 27/02 10:46:01 metrics Web threads (busy/total): 1/10 Sessions: 4512 Total > Memory=57600 Free=7505 > 27/02 10:47:01 metrics Web threads (busy/total): 0/10 Sessions: 4518 Total > Memory=57920 Free=6622 > 27/02 10:48:01 metrics Web threads (busy/total): 1/10 Sessions: 4503 Total > Memory=57216 Free=9725 > 27/02 10:49:01 metrics Web threads (busy/total): 0/10 Sessions: 4501 Total > Memory=54976 Free=7224 > 27/02 10:50:01 metrics Web threads (busy/total): 0/9 Sessions: 4431 Total > Memory=61376 Free=12289 > 27/02 10:50:41 info Clusterable service JRunProxyClusterHelper > successfully removed a peer when that peer left the cluster > 27/02 10:51:01 metrics Web threads (busy/total): 0/9 Sessions: 4413 Total > Memory=56832 Free=11473 > 27/02 10:52:01 metrics Web threads (busy/total): 0/9 Sessions: 4377 Total > Memory=56064 Free=11637 > 27/02 10:53:01 metrics Web threads (busy/total): 0/9 Sessions: 4341 Total > Memory=53504 Free=11657 > 27/02 10:54:02 metrics Web threads (busy/total): 0/9 Sessions: 4300 Total > Memory=53568 Free=11636 > 27/02 10:55:02 metrics Web threads (busy/total): 0/9 Sessions: 4263 Total > Memory=53568 Free=11543 > 27/02 10:56:02 metrics Web threads (busy/total): 0/1 Sessions: 4213 Total > Memory=53504 Free=11598 > 27/02 10:57:02 metrics Web threads (busy/total): 0/1 Sessions: 4173 Total > Memory=52544 Free=11585 > 27/02 10:58:02 metrics Web threads (busy/total): 0/1 Sessions: 4132 Total > Memory=52608 Free=11501 > 27/02 10:59:02 metrics Web threads (busy/total): 0/1 Sessions: 4089 Total > Memory=52608 Free=11370 > 27/02 11:00:02 metrics Web threads (busy/total): 0/1 Sessions: 4051 Total > Memory=52608 Free=11454 > 27/02 11:01:02 metrics Web threads (busy/total): 0/1 Sessions: 4014 Total > Memory=52096 Free=11537 > 27/02 11:02:02 metrics Web threads (busy/total): 0/1 Sessions: 3967 Total > Memory=52096 Free=11190 > > .....so note that JRun rejects the instance from the cluster but the logs > carry on. Also note that the Web Threads just carry on as 0/1 until the > instance is started up again. The frequency of this has started to increase > and we're now getting this at least once a day. > > The server is a virtual machine, Win Server 2003, CF7.0 with multiserver > JRun. We have it setup on Round Robin with sticky sessions. > > Just to give you a breakdown on what we've tried already.... > > The problem started on the 29th of Jan this year and looking at our logs > nothing has changed on or around this time apart from an upgrade to our > backup software on the other "working" server. So I wouldn't expect this to > effect the one that is now faulty. > > We started to add Hotfixes to the server on the 5th of Feb but this hasn't > resolved the problem. These included JRun Updater 7 and CF HotFix 3 which > had stability fixes for clustering. This was applied to both servers. > > Checking logs in IIS I'm not seeing anything abnormal. > > We've compared the setup of the failing instance to the other server > instance and apart from a few unique configuration settings both are > identifical in JRun. We are considering the option of rebuilding the > instance using the working one but to be honest that drawing at straws. > > Has anybody else had a similar kind of problem or can think of any other > ideas as to what might be causing this. > > Your help would be appreciated and if there is anymore information you > need please let me know. > > Cheers, > James > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Adobe® ColdFusion® 8 software 8 is the most important and dramatic release to date Get the Free Trial http://ad.doubleclick.net/clk;160198600;22374440;w Archive: http://www.houseoffusion.com/groups/CF-Talk/message.cfm/messageid:300064 Subscription: http://www.houseoffusion.com/groups/CF-Talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.4
