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TIBCO iProcess® Engine 11.10.0

# port_range_active

The `port_range_active` table lists what port/RPC numbers are being actively used to provide RPC services by iProcess Engine processes.

Note | The table only lists processes that provide RPC services. These processes are RPC_TCP_LI, RPC_UDP_LI, RPC_POOL, RPC_SWIP, WQS and WIS.

## Structure

The `port_range_active` table has the following structure:

    TABLE port_range_active (
    	logical_machine_id		INTEGER		NOT NULL,
    	logical_process_name		VARCHAR(10)	NOT NULL,
    	logical_process_instance	INTEGER		NOT NULL,
    	process_id			INTEGER		NOT NULL,
    	port_number			INTEGER		NOT NULL,
    	rpc_number			INTEGER		NOT NULL)

Column | Description
`logical_machine_id` | ID of the server where this process instance runs, as defined in the node_cluster table.
`logical_process_name` | Logical name of this process instance. Note: See "Administering iProcess Engine Server Processes" in TIBCO iProcess Engine Administrator's Guide for a list of logical process names.
`logical_process_instance` | Unique ID for this process instance.
`process_id` | Operating system process ID of this process instance.
`port_number` | Port number being used by this process instance.
`rpc_number` | RPC number being used by this process instance.

## Primary Key

The following primary key is defined for this table.

Key Name | Column(s)
`pk_port_range_active` | `logical_machine_id`, `logical_process_name`, `logical_process_instance`

## Triggers

None.

## Indexes

None.

## Table Activity

The `port_range_active` table contains one row per port/RPC number that is being actively used by the iProcess Engine.

Rows are added, updated and deleted in the following situations.

A row is... | When...
added | an iProcess Engine process allocates itself a port/RPC number from either the port_range table or the operating system.
updated | never.
deleted | an iProcess Engine process stops using its assigned port/RPC number, that is, is shut down.

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TIBCO iProcess® Engine