By default, the frequency at which the ColdFusion load and availability information is sent to Cisco Local Director
is every 30 seconds. You may set Update Frequency to a lower value for better response to change in the server
load condition. To update the load frequency refer to ColdFusion documentation.
Gradual Redirection Load Management and Session State Management
When session aware load management is enabled (the default), gradual redirection load management does not
apply. You can still set a gradual redirection load threshold value, but it will have no effect when session aware
load management is enabled.
Session-Aware Load Balancing and the Gradual Redirection Threshold
When using session-
aware load balancing for a cluster, it is recommended that Gradual Redirection Threshold be
enabled and set explicitly to 0%. This setting allows ClusterCATS to optimize load balancing for browser requests
that have not entered a session.
Configuring a ColdFusion Application Probe
The ColdFusion Application Probe dialog box creates a default probe for that Web server to determine if
ColdFusion Server is functioning. The default action is set to NORESTART, this will not restart the ColdFusion
server if the probe fails, the Web server will however be automatically set to the restricted state. See the online
help available from the ColdFusion Application Probe dialog box for more information.
URL for ClusterCATS Explorer Web Addition
If you are using Netscape Enterprise Server V3.x, the URL for accessing the ClusterCATS Explorer Web addition
(btweb) is:
http://:/admin-serv/btweb/default.html
If you are using Netscape Enterprise Server V4.0x, the URL for accesing the ClusterCATS Explorer Web addition
(btweb) is:
http://server-name>:/https-admserv/btweb/default.html
Configuring ClusterCATS Explorer Web Addition with Apache
If you wish to run the Web Addition of the ClusterCATS Explorer, for availability and security reasons, you should
configure it to run from a separate IP-based virtual host server on a port other than 80 and should also password
protect access to it.
Make the following additions to httpd.conf to enable btweb, replacing the IP address specified with one
appropriate for your system. Also enable user/password authentication for the virtual directory.
Once you have configured the server in this manner, to access btweb, go to the URL http://btweb, where btweb
corresponds to the IP address you selected for the VirtualHost.
##
### BTWeb Administration
###
Listen 192.168.96.71:2222
<VirtualHost 192.168.96.71:2222>
ServerAdmin root@localhost
DocumentRoot /usr/lib/btcats/btweb
DirectoryIndex default.htm
ServerName btweb
ErrorLog logs/btweb_error_log
CustomLog logs/btweb_access_log combined
Page 21 of 26Release Notes - ColdFusion Server 4.5.1
08/22/2000file://C:\TEMP\cfserver451_release_notes.htm
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