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Contents of the Manage Job Queues Screen

Use the fields and options to configure the Manage Job Queues screen.

Job Queues

Use this block to select a job queue, specify whether jobs should be run sequentially or in parallel (Oracle DBMS only), and view the activity of the attached job servers.

Identification

Use this group box to specify a job queue ID.

Field Description
Job Queue ID

When creating a new queue, use this field to enter an identification code for this job queue.

To use existing queues, use this field to search for and select a queue ID.

Process Sequentially

Select this check box to enable sequential job processing for this queue.

Note: Jobs in a user-defined queue run simultaneously on different threads unless it is set up as a sequential queue. Jobs in a sequential queue run sequentially, one after the other.
Use Parallel SQL

Select this option to enable parallel query and parallel DML. This option is available only if you are using Oracle DBMS. For other DBMS such as MS SQL Server, this option does not display.

Parallel query is a technique the DBMS uses to improve performance by breaking down tasks into smaller subtasks and executing them in parallel. Parallel DML complements parallel query by providing both querying and updating capabilities for DSS databases, thus, speeding up large DML operations against large database objects.

Parallel execution can be enabled at 3 different levels:

  • Session Level (connection time)
  • Table or Index Level (creation time)
  • Statement Level (statement execution)

    Performance gain varies according to the type of SQL operation. It is significant in the following:

  • Decision Support Systems (DSS)
  • Data Warehousing Operations
  • Batch Processing

Jobs must be submitted through the Process Server. Oracle automatically performs the SQL statements that involve SELECT operations in parallel mode.

Certain hardware requirements must be met. Requirements include:

  • Symmetric multiprocessors (SMP)
  • Clusters or massively parallel systems
  • Sufficient I/O bandwidth
  • Underutilized CPU.

Attached Servers

Use this table window to view all the job servers attached to this job queue.

Field Description
Server

This field displays the servers associated with this job queue ID.

Queue Active

This field displays Y if this job server is active. Otherwise, this field displays N.

Scheduled Jobs

Use this table window to view and modify the details of scheduled jobs.

Field Description
Job

This field displays the job ID of each job that has been submitted to the queue.

Description

This field displays the description of the job ID in the Job field. Job descriptions are set up in the Manage Jobs screen.

Status

This field displays the current status of the job. They are as follows:

  • Scheduled— The job is executed as soon as it reaches the top of the entry list, and a server is available.
  • Hold— The job is not executed until you change the status to Scheduled.
  • Executing— The job server is currently processing this job. You cannot change the status in this circumstance.
  • Aborted— The job was submitted but was not executed successfully. You cannot change the status of an Aborted job, but you can delete the entry.
  • Queued— The job was submitted and is currently queued for processing.
  • Suspended— The job was submitted but is currently suspended to be processed at a future date and time.
  • Canceling— The job was submitted and processed and is currently being cancelled by Costpoint.

You can change the status of a job by selecting one of the options from this drop-down list box.

To execute a job, select Scheduled and enter the scheduled date and time in the Start Date and Start Time fields, respectively.

If you change the status from Scheduled to Hold, Costpoint automatically clears the data in the Start Date and Start Time fields after you save this job queue.

If you change the status from Hold to Scheduled and you have not entered a start date or time, Costpoint automatically enters the current date and time in the Start Date and Start Time fields you save this job queue.

Note: Costpoint automatically changes the job status to Aborted if the application fails as a result of server failure. Any jobs with a status of Executing will be set to Aborted when a server is brought up after failure.
Start Date

Enter, or click calendar.gifto select, the scheduled date on which to execute this job on the job server.

If you selected Start Time/Date from the Execution Option field in the Submit Job to Queue screen, Costpoint automatically displays that date in this field. You can edit this default data.

If you enter data in the Start Time field, entry in this field is required.

Start Time

Enter the scheduled time at which to execute this job on the job server. Use the standard hh:mm:ss AM/PM format, where: hh = hour, mm = minute, and ss = second.

If you selected Start Time/Date from the Execution Option field on the Submit Job to Queue screen, Costpoint automatically displays that time in this field. You can edit this default data.  

If you enter data in the Start Date field, entry in this field is required.

Priority

This field displays the default priority level for this job. The priority level can be any number from 1 (highest) to 99 (lowest). The job server determines which jobs to process first based on this priority level.

Recur Every

If this is to be a recurring job, use this field to enter the number of hours, days, weeks, or months to on which this job must recur after it has been initially executed on the job server.

If you enter data the Recurring Timeframe field, entry in this field is required.

Recurring Timeframe

Select the frequency of recurrence (Hours, Days, Weeks, or Months) for this job.

If you enter data in the Recur Every field, entry in this field is required.

End Date

Use this field to enter, or click calendar.gif to select, the date on which this recurring job should end. This field is only available for recurring jobs.

If you enter data in the End Time field, entry in this field is required.

End Time

Enter the scheduled time at which to end the recurring job on the job server. Use the standard hh:mm:ss AM/PM format, where hh = hour, mm = minute, and ss = second. This field is only available for recurring jobs.

If you enter data in the End Date field, entry in this field is required.

Submitting User

This field displays the ID code of the user who submitted the job to the queue.

Submitted Date/Time

This field displays the date and time that the job was submitted to the queue.

Cancel Job

Click Cancel Job to cancel the selected job in the table window.

Subtask

Subtask Description
Scheduled Job Steps Click this link to open the Scheduled Job Steps subtask and view the status of all operations that are scheduled within the selected job.