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7.2.3 Workload management for administrative servers

7.2.3 Workload management for administrative servers

Administrative servers can participate in workload management. Workload management provides failover capability, improving the availability of administrative and naming services. It also eliminates the possibility of an administrative server being a single point of failure in a system.

Note:  Workload management must be enabled for all administrative servers in a domain.

When an administrative server participates in workload management, an exception is thrown if the administrative server fails during an administrative task. Subsequent requests are redirected to the other administrative servers in the domain, minimizing the disruption to administrative operations.

For example, a command issued through the WebSphere Administrative Console can fail if an administrative server goes offline while the command is being executed. If workload management is enabled, any subsequent attempts to execute the command are redirected to another administrative server. This allows the command to be successfully reissued, possibly with a delay for the initial redirection. Subsequent requests are noticeably slower. The original administrative server will picks up its share of administrative requests when it comes back online.

Enabling workload management

Workload management is enabled by default when you start the administrative servers in a domain.

Note that adminServer must begin with a lowercase a. Never set this property to false. It must always be set to true.

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