Load Balancing
Web Application WAR file -> General tabbed pane -> Sun-specific Settings button ->
Load Balancing view
Sun Java System Application Server 8, Standard and Enterprise Edition supports
load balancing of applications. In the Load Balancing view of a Web application WAR
file, you can configure the load balancing properties for the WAR file.
To enhance the availability of your applications deployed on a
Sun Java System Application Server cluster, configure the load balancer
to retry failed idempotent HTTP requests on all the application server
instances in a cluster. This feature can be used for read-only requests,
for example, to retry a search request.
In the Idempotent URL patterns panel,
- Enter the url-pattern of the idempotent request.
The URL pattern of the idempotent requests.
The idempotent URL can be specified as an URL pattern using wild cards.
The URL pattern should conform to the mappings specified in the section,
SRV 11.2, of the Servlet specification. For example,
/foo/bar/* (to retry URLs of the type /foo/bar/index.html) or *.jpg
(to retry URLs of the type /gallery/racecar.jpg).
- Specify the number of retries the load balancer should perform on
different Application Server instances. The default is -1. This would ensure
that in the event of a failure, all the listeners on instances that are
configured to handle the application URL are tried for serving the
idempotent request.
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