User Guide > UserInterface > System Overview > Queues

Queues

The System OverviewThe UserInterface window that contains information about the Automation Engine system. item "Queues" lists all Queue objects including their states and settings.

The System Overview of clientA closed environment within an Automation Engine system where you can create and run objects. A client name consists of a 4-digit number that must be indicated when a user logs on to the Automation Engine system. Users and their rights are also defined in clients. A particular Automation Engine object type. 0 displays the Queue objects of all clients.

Column Description
Name Name of the Queue objectAutomation Engine controlled activities and processes are structured in the form of objects. See also: Task
Status

Status of the Queue object

"STOP" - The execution of Queue objects has been stopped.
"START" - The object can start in the queueA particular Automation Engine (AE) object type. In AE, a queue determines the maximum number of concurrent tasks, their priorities and the order in which tasks should be executed. In ARA, queues are containers for workflow executions that should be executed at a certain time one after another..
The queue's max. slots have been set to value "0" and no tasks can start.

You can change the statusThis represents the condition of a task (such as active, blocked, generating). via the context menu of the System Overview or the Activity Window.

Priority Priority of queue tasks.
Max.slots

Max. parallel-running queue tasks. The displayed value always complies with the object definition (Attributes tab).

Value "-1" signals that there is no queue limit.

Used slots

Number of active tasks that occupy a position in the Queue object.

Note that this value can exceed the defined queue limit (max. slots) because of limit modifications or the execution of the command "Ignore Queue".

Hold Number of queue tasks that have already reserved a slot but must not start because of the stopped execution of a queue, client or workflowAn object of the Automation Engine that can include several executable objects and which runs them in a specified order. [Formerly called "ProcessFlow" and "JobPlan."] (STOP).
Waiting Number of queue tasks that are in the status "Waiting for queue slot" (Queue status: STOP).
Consider ERT The Queue object includes the setting "Consider Estimated Runtime for Calculation".

Context Menu

The following commands in this form are only available for Queue objects:

Command Description
Go
Stop

Starts or stops the queue's execution of tasks.

These modifications can also be made for several Queue objects at a time. Doing so requires that only Queue objects with the same status are selected.

Modify

Opens a dialog window that can be used to change a Queue object's priority and max. slots. The current values are displayed in the window.

Modifications that are made for these settings are only valid until the next exception occurs or until a further manual modification is made.

General commands:

Command Description
Edit Opens the relevant Queue object.
Activity Window Opens the Activity Window with a filter. Therefore, only the tasks of the selected Queue object are displayed.
Statistics and reports Opens the statistics overview or the last report.
Search for usage Opens the Search dialog which can be used to search for the objects that have been assigned to the Queue object.
Replace Opens a Replace Use dialog that lists the objects in which the Queue object is used so that it can be replaced by another one.
Export to file Exports the queue's listShows entities in a grid view content to a CSV file.
Refresh Refreshes the view.

 

See also:

Queue

 


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