Alaia is a JMX facade, or a facade for JMX mbeans, that enables monitoring and managing across the nodes in a cluster. Alaia can perform different kinds of aggregation on the individual values in mbeans in the nodes, enabling a logical cluster view for monitoring. For managing, Alaia enables an operation to be executed across all nodes in a cluster. By using Alaia, simple non-cluster aware JMX consoles can be used to monitor and manage a cluster. In addition, Alaia performs another important function: caching. Frequent access to mbeans in a component has performance implications, especially if there are many clients. Alaia acts as a single point of access for multiple clients looking across the cluster, and a configurable cache to manage the load on the underlying components.
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