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Data Source Interceptors

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A data source interceptor intercepts dynamic cluster scale up operations to validate that the scaling operation will not overload the database.

During dynamic cluster scale up operations, new dynamic server instances in a dynamic cluster are started. If data sources are targeted to the dynamic cluster, this may result in the creation of additional connections to the databases, which may result in exceeding database capacities. An interceptor intercepts a scaling action. A data source interceptor intercepts a dynamic cluster scale up operation to validate that the scaling operation will not overload the database.

Column Display

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Name Description

The alphanumeric name for this data source interceptor.

MBean Attribute:

Changes take effect after you redeploy the module or restart the server.

URLs Pattern

The regular expression for the connection URLs

The regex pattern for the connection URLs. The URL pattern may cover multiple databases in case such databases are actually running on the same database machine.

MBean Attribute:

Connection Quota

Maximum number of connections allowed for the database matching the URL pattern

MBean Attribute:


The priority of this intercepted method in the interceptor chain. An interceptor with a higher priority will be executed earlier than an interceptor with a lower priority.

Note: 1073741823 is actually Integer.MAX_VALUE / 2 as defined in InterceptorPriorities.

MBean Attribute:

Related Tasks

Related Topics

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