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ByTezahn

What is a core group in websphere

A Core Group (HA Domain) is a component of the high availability manager function. It can contain stand-alone servers, cluster members, node agents, administrative agents and the deployment manager. Core Group information is persisted in a configuration file. A core group is a component of the high availability manager function. It can contain stand-alone servers, cluster members, node agents, administrative agents, and the deployment manager. To view this administrative console page, click Servers > Core Groups > Core group settings. Every core group has a coordinator that manages high availability activities between the core group members. The coordinator manages the failover of highly.

A core group is a grouping of WebSphere Application Server cell processes. A core group can contain standalone servers, cluster members. A cell must have at least one core group. The WebSphere Application Server creates a default core group, called DefaultCoreGroup, for each cell. Each JVM. Core groups were introduced in WebSphere Application Server Network Deployment V, and my impression is that they are still not well.

Please, be very, very careful when / if touching CoreGroups. If you're a novice user, leave them alone. Just because you think you don't use HA services, that. Each JVM process can only be a member of one core group. If the singleton is scoped to a WebSphere cluster, such as a Transaction. When a process is created, it is added automatically to a core group. The core group membership is stored in a WebSphere Application Server configuration. Solution that optimizes a websphere core group bridge to handle peer core group messaging for a distributed computing system with a large topology.

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