Scheduling publishing tasks - 6.3

Talend Administration Center User Guide

EnrichVersion
6.3
EnrichProdName
Talend Big Data
Talend Big Data Platform
Talend Data Fabric
Talend Data Integration
Talend Data Management Platform
Talend Data Services Platform
Talend ESB
Talend Real-Time Big Data Platform
task
Administration and Monitoring
Deployment
EnrichPlatform
Talend Administration Center

Warning

Only users that have the Operation Manager role and rights can have read-write access to the triggers list. Other types of users can have read-only access or no access to the list. For further information on access rights, see User roles/rights in the Administration Center. When a user of the Administration Center opens this page, he/she will have access only to the items for which the user has been granted the appropriate authorization by the Administrator.

On the Publisher page, you can schedule a task using simple or periodic multi-platform CRON-like triggers (CronTrigger).

On the Triggers view at the bottom half of the Publisher page, you can add triggers, edit triggers, enable/disable triggers, delete triggers and customize the trigger list.

The trigger list includes the following information:

Column

Description

Label

Trigger name

Description

Provide any useful information regarding the trigger

Trigger type

CronTrigger

Status

Status of the current trigger.

Normal: The trigger is ready to be launched

Waiting for the task to end: The triggering has taken place, the task execution is in progress

Paused: The trigger is disabled

Completed: The trigger execution is complete

Error/Invalid: The trigger execution has failed or is invalid

Previous triggering on

Date and time when the previous triggering took place

Time left before next triggering

Time to elapse before the next triggering starts.

Next triggering on

Date and time when the next triggering will take place.

Number of triggerings

Estimated number of triggering that will take place over the selected period of time and/or for the number of triggering repetition set.

Final triggering on

Estimated or set triggering end time.

Start time

Date and time when the first triggering takes place.

End time

Actual time when the last triggering ended.

Adding a trigger

To schedule the execution of your tasks, you can set CRON-based triggers onto a task which will start its execution on a regular basis (daily, weekly, monthly and so on). To do that:

  1. On the Publisher page, select the task you want to implement a trigger on.

  2. In the Triggers view, click Add trigger... and then select Add CRON trigger from the drop-down list. The CRON trigger configuration panel opens.

  3. Fill in the Label and Description fields and then click Open UI configurer to open the [Cron UI trigger configuration] dialog box.

  4. Select the hour and date items at which you want the task to be executed as the following:

    Field

    Description

    Label

    Enter a name to the trigger you are setting.

    Description

    Enter a description for the trigger type and usage.

    Minutes

    The minute at which you want to execute the task.

    Hours

    The hour at which you want to execute the task.

    Days of month

    The month day on which you want to execute the task.

    Months

    The month in which you want to execute the task.

    Days of week

    The week day on which you want to execute the task.

    Years

    The year in which you want to execute the task.

     

    Fields marked with **: Select one or more week day OR one or more dates.

    Fields marked with *: mandatory information.

    For multiple selection, press Ctrl + click.

  5. Click Apply modifications. The dialog box closes and the selected data is displayed in the Add Cron trigger configuration panel.

  6. Click Save to validate the CRON-based trigger configuration or Cancel to cancel the operation.

The Trigger Status for the selected task changes from No Trigger to At least one trigger is running.

Editing a trigger

To edit a trigger entry, do the following:

  1. On the Publisher page, select the relevant task to display the corresponding triggers in the trigger list.

  2. Select the trigger entry you want to modify. Its details are displayed in the configuration panel to the right.

  3. Make the relevant changes to trigger details where necessary.

  4. Click Save to validate the changes or click Cancel to cancel.

Disabling/Enabling a trigger

To disable or enable a trigger, do the following:

  1. On the Publisher page, select the relevant task to display the corresponding triggers and their details in the trigger list.

  2. Select the trigger entry you want to disable/enable.

  3. From the toolbar in the Triggers panel, click Pause trigger/Resume trigger. The selected trigger icon displays as disabled/enabled.

Note

You cannot disable/enable a trigger if its status is Completed.

Deleting one or more triggers

To delete one or more triggers from the trigger list, do the following:

  1. On the Publisher page, select the relevant task and click the Triggers tab to display the corresponding triggers and their details in the trigger list.

  2. Select the trigger entry or entries you want to delete.

  3. From the toolbar in the Triggers panel, click Delete. A confirmation dialog box appears.

  4. Click OK to remove the selected trigger entry or entries from the trigger list.

Customizing the display of the trigger list

You can customize the trigger list view to restrict the number of displayed triggers according to different criteria. You can also show/hide one or more columns in the trigger list.

  1. On the Publisher page and in the Triggers panel, put the pointer on a column name and click the drop-down arrow.

  2. In the drop-down list, select:

    Item

    To...

    Sort Ascending

    arrange the list in an ascending order

    Sort Descending

    arrange the list in an descending order

    Columns

    display a drop-down list where you can select/clear the check box next to the column(s) you want to show/hide

The figure below shows the list view options in the drop-down list.

Once the list is customized, your preferences are saved (column filters, order or width) and kept even after the page is refreshed. To reset the page, you have to click the cog icon on the right of the top toolbar.