Server weighted round robin routing configuration

Server weights are an attribute of the cluster, not the cluster member. They are associated with the members of a cluster but they are only meaningful when set on the cluster.

To set the EJB workload management server weights for your cluster members:

1. Locate the cluster member by selecting Servers -> Clusters -> <cluster_name> -> Cluster members in the WebSphere Administrative Console.

2. Select <member_name> from the Cluster members page.

3. Select the Configuration tab from the Cluster members page.

4. Enter an appropriate value into the Weight field, as shown in Figure 6-6.

5. Click Apply and save the configuration changes.

6. Stop and start the Deployment Manager to change the weights in the configuration.

Figure 6-6 Workload management configuration weight value

 

Runtime changes

To make a change to a cluster's server weights so that it only affects the current running system, that is, the weights will not be saved to the cluster's configuration, do the following:

1. Locate the cluster member by clicking Servers -> Clusters -> <cluster_name> -> Cluster members in the WebSphere Administrative Console.

2. Select <member_name> from the Cluster members page.

3. Select the Runtime tab from the Cluster members page.

4. Enter the right value into the Weight field, as shown in Figure 6-7.

5. Click Apply and save the changes.

6. Stop and start the application server to activate the changes.

Figure 6-7 Workload management runtime weight value

Note With IBM WAS Enterprise V5.1, the way the Runtime Weight value is applied varies from IBM WAS Network Deployment V5.1. An appserver restart will not be required, which means the change to the weight value will be dynamically handled by the Deployment Manager.

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