We are having a issue with some keepalives that are causing our web servers to run really slow. I have explained the environment below and provided some configs from the CSS
I would appreciate any insight you could provide as to why this issue is occuring and how we might avoid them.
Thanks,
Jim
Environment:
CSS 11150 with 4.01 (Build 19) code.
We have 2 applications that connect to backend oracle databases. In order to monitor the database connections, we wrote an asp page for each application that queries the database and returns a normal status web page if a connection was established. If the database connection can not be obtained, an error web page is returned. We created 2 services with a keepalive method of get pointing to the asp page we wrote with the expectation that it would create a checksum for the normal web page.
Issue:
The problem we are having is that when we activate these two services, the web server that is running the applications slow down considerably. In addition to the speed issues, we also sometimes get a page cannot be displayed error from the application. If you get a page cannot be displayed error but hit refresh in your browser the application comes back. If we suspend the services the server speeds back up and we have no issues with the application.
Configuration:
**************************Service**********************
service web02qi-compoint-SMDR
ip address 172.28.1.102
keepalive type http
keepalive frequency 10
keepalive maxfailure 2
keepalive method get
keepalive uri "/keepalive/compointkeepalive.asp"
service web02qi-issuestrk-SMDR
ip address 172.28.1.102
keepalive type http
keepalive frequency 10
keepalive maxfailure 2
keepalive method get
keepalive uri "/keepalive/crmdbcheck.asp"
************************Owner*************************
content compoint1
protocol tcp
port 80
url "/dataproducts/*"
add service redirect-compoint
vip address 172.28.1.100
balance aca
add service web02qi-compoint-SMDR
active
content compoint2
protocol tcp
port 80
url "/dpcompoint/*"
add service redirect-compoint
vip address 172.28.1.100
balance aca
add service web02qi-compoint-SMDR
active
content issuestrk
protocol tcp
port 80
url "/crmdpd/*"
add service redirect-issuestrk
vip address 172.28.1.100
add service web02qi-issuestrk-SMDR
balance aca
active
