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Benchmark Factory for Database 8.0 - User Guide

Getting Started Overview of Benchmark Factory Benchmark Factory Components Agents Connections Create and Edit Tests and Jobs Test Results and Run Reports Troubleshooting Licensing The Benchmark Factory REST API

Create/Delete Benchmark Objects

The Create/Delete Benchmark Objects step creates or clears the database objects (tables/indexes, etc.) needed to run industry standard benchmarks. The step is included when you create an Industry Standard Benchmark Test. You can also add the step to an existing workload through the Edit Job Wizard.

Note: To create, delete, and modify database tables/indexes you must have the user login rights required.

To add a Create/Delete Benchmark Objects Test to a Workload

  1. Use one of the following methods to open the Job Wizard:
    • Select File | New to open the New Job Wizard.
    • Select an existing job and click Edit Job.
  2. Click Workload in the left pane. If this is an existing job, click Add Another Test/Step
  3. On the Workload page, select Create/Delete Benchmark Objects Test from the drop-down list.
  4. Then select the benchmark type from the Benchmark Type drop-down list.
  5. Select one of the following options:
    • Create Benchmark Objects—Creates and initializes benchmark objects (tables, indexes, etc.).
    • Delete Benchmark Objects—Deletes existing benchmark objects (tables, indexes, etc.).
  6. If you selected Create Benchmark Objects, select one of the following options:
    Create/Load objects if objects don't exist (no backup sets created)

    If objects do not exist, Benchmark Factory creates the objects and loads data.

    If you select this option, Benchmark Factory does not create backup tables.

    Delete benchmark objects after completion of job Benchmark Factory deletes objects after a job is finished.
    Refresh data using backup sets

    When backup sets exist, Benchmark Factory reloads data and recreates indexes.

    If backup sets do not exist, Benchmark Factory creates objects and loads data. Then Benchmark Factory creates the backup tables.

    Recreate objects and reload data every execution

    Benchmark Factory always deletes the existing objects and then recreates/reloads for each job execution.

    This allows you to ensure that the dataset is always in initialized status.

    Refresh data using inserts

    If data does not exist, Benchmark Factory uses bulk insert to load data.

    If the following Benchmark Settings are selected,

    and the Benchmark Scale factor of the existing tables does not match the new requirement, the process of inserting additional data or deleting data my run long, depending on the size of the existing data and number of indexes.

    Note: If database does not support bulk insert, insert is used.

  7. Click the Import Test button at the bottom of the page.
  8. Summary. The test is added to the workload and the Summary page opens. Review the following editable options for this test/step.

    Note: The test is added to the top of the workload list. To move the test down (or up) in the list, right-click the test and select Move Down (or Move Up).

  9. Test Options. To modify test options for the Create Objects test/step, select the Test Options tab. Review the following for more information:

Tip: You can specify a default setting for Object/Data Retention in Edit | Settings | Benchmarks.

Execute External File

You might want to add an executable file (.bat or .exe) as part of a job. This gives you the flexibility to set up your database before running a workload. For example, you could run a .bat file to set up a prepared SQL statement before running a workload.  

To add an Execute File step to a workload

  1. In the New Job or Edit Job Wizard, click Workload in the left pane.
  2. On the workload page, select Execute External File from the drop-down list.
  3. Enter the path or browse to and select a file to execute.
  4. To add a timeout, select the Enforce Timeout option and enter the number of seconds for Benchmark Factory to wait for the execution to complete before continuing the job.

    You can specify a default setting for this option in Edit | Settings | Execute File.

Test Options - Create Objects

Benchmark Scale Factor

When you create an Industry Standard Benchmark test or add a Create Benchmark Objects step, Benchmark Factory allows you to adjust the Benchmark scale factor. The scale factor increases the size of a database during the testing process allowing realistic testing.

By increasing the scale factor, the number of rows added to the tables increases, allowing for the use of larger user loads. This places a greater stress on the system-under-test. During load testing, you can run various tests with different Benchmark Scale factors to ensure your database performs at varying user-load levels.

You can adjust the Benchmark Scale factor when creating a new Industry Standard Benchmark Test or when adding a Create Benchmark Objects step.

To change the Benchmark Scale factor

  1. In the New Job Wizard or Edit Job Wizard, select the Create Objects step (in the Workload) for which you want to adjust the scale.
  2. Select the Test Options tab and then the Scale tab.
  3. In the Benchmark Scale field, specify a scale factor.

    Valid benchmark scales are dependent upon the benchmark selected. For example, the AS3AP benchmark scales by a factor of 10 with valid scales of "1, 10, 20, 30, etc." The TPC-C benchmark scales by a factory of 1, with valid scales of "1, 2, 3, 4, etc." Refer to the specific benchmark standard for more information.

    (Replication test only) For a Replication test, each increment in scale factor adds 1000 rows to a table.

  4. (Optional) Instead of specifying a scale factor, you can specify a Benchmark Size. The Benchmark Scale factor will re-adjust accordingly.
  5. Finish specifying options for your test, or click Save/Close to save your modifications and close the wizard.

Benchmark Scale Factor and User Load Relationship

The TPC-C and the Scalable Hardware standard benchmark tests have a scale factor / user load relationship.

  • For the TPC-C benchmark, the ratio is 10 virtual users per scale factor.
  • For the Scalable Hardware benchmark, the scale factor is also the number of users that will return data from their queries.

If you attempt to create a benchmark test using a scale factor / user load ratio outside of these specifications, Benchmark Factory warns you.

Note: You can set a default Benchmark Scale factor to use for each standard benchmark test. Go to Edit | Settings | Benchmarks | benchmark type.

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