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Creating a Job

Updated on 2023-06-14 GMT+08:00

A job is composed of one or more nodes that are performed collaboratively to complete data operations. Before developing a job, create a new one.

Prerequisites

Each workspace can hold a maximum of 10,000 jobs. Ensure that the number of your jobs does not reach this upper limit.

(Optional) Creating a Directory

If a directory exists, you do not need to create one.

  1. Log in to the DataArts Studio console. Locate an instance and click Access. On the displayed page, locate a workspace and click DataArts Factory.
    Figure 1 DataArts Factory
  2. In the left navigation pane of DataArts Factory, choose Development > Develop Job.
  3. In the job directory list, right-click a directory and choose Create Directory from the shortcut menu.
  4. In the Create Directory dialog box, configure directory parameters based on Table 1.
    Table 1 Job directory parameters

    Parameter

    Description

    Directory Name

    Name of a job directory. The name must contain 1 to 64 characters, including only letters, numbers, underscores (_), and hyphens (-).

    Select Directory

    Parent directory of the job directory. The parent directory is the root directory by default.

  5. Click OK.

Creating a Job

The quantity of jobs is less than the maximum quota (10,000).

  1. Log in to the DataArts Studio console. Locate an instance and click Access. On the displayed page, locate a workspace and click DataArts Factory.
    Figure 2 DataArts Factory
  2. In the left navigation pane of DataArts Factory, choose Development > Develop Job.
  3. Create a job using either of the following methods:

    Method 1: On the Develop Job page, click Create Job.

    Figure 3 Creating a job (method 1)

    Method 2: In the directory list, right-click a directory and choose Create Job from the shortcut menu.

    Figure 4 Creating a job (method 2)
  4. In the displayed dialog box, configure job parameters. Table 2 describes the job parameters.
    Table 2 Job parameters

    Parameter

    Description

    Job Name

    Name of the job. The name must contain 1 to 128 characters, including only letters, numbers, hyphens (-), underscores (_), and periods (.).

    Processing Mode

    Type of the job.

    • Batch processing: Data is processed periodically in batches based on the scheduling plan, which is used in scenarios with low real-time requirements. This type of job is a pipeline that consists of one or more nodes and is scheduled as a whole. It cannot run for an unlimited period of time, that is, it must end after running for a certain period of time.

      You can configure job-level scheduling tasks for this type of job. That is, the job is scheduled as a whole. For details, see Setting Up Scheduling for a Job Using the Batch Processing Mode.

    • Real-time processing: Data is processed in real time, which is used in scenarios with high real-time performance. This type of job is a business relationship that consists of one or more nodes. You can configure scheduling policies for each nodes, and the tasks started by nodes can keep running for an unlimited period of time. In this type of job, lines with arrows represent only service relationships, rather than task execution processes or data flows.

      You can configure node-level scheduling tasks for this type of job, that is, each node can be independently scheduled. For details, see Setting Up Scheduling for Nodes of a Job Using the Real-Time Processing Mode.

    Creation Method

    Selects a job creation mode.

    • Create Empty Job: Create an empty job.
    • Create Based on Template: Create a job using a template.

    Select Directory

    Directory to which the job belongs. The root directory is selected by default.

    Owner

    Owner of the job.

    Priority

    Priority of the job. The value can be High, Medium, or Low.

    Agency

    After an agency is configured, the job interacts with other services as an agency during job execution. If an agency has been configured for the workspace by referring to Configuring a Workspace-Level Agency, the new job uses the workspace-level agency by default. You can also change the agency to a job-level agency by referring to Configuring a Job-level Agency.

    NOTE:

    Job-level agency takes precedence over workspace-level agency.

    Log Path

    Selects the OBS path to save job logs. By default, logs are stored in a bucket named dlf-log-{Projectid}.

    NOTE:
    • If you want to customize a storage path, select the bucket that you have created on OBS by following the instructions provided in (Optional) Changing the Job Log Storage Path.
    • Ensure that you have the read and write permissions on the OBS path specified by this parameter. Otherwise, the system cannot write logs or display logs.
  5. Click OK.

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