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DTM DB Stress Online Documentation
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Database utilities

General task properties

This dialog box helps you to set general task properties. The most important properties are:
  1. Task name - displayed in the task list in the main program window.
  2. Number of iterations to be performed before the task is executed. Important: this option works with "by task property" execution mode only.
  3. Delay between iterations during the task execution. The user can specify minimum and maximum interval size. The program uses exact interval size in case right border not specified or <= than the left border.
  4. Number of concurrent threads the program should create for a task of this type.
  5. Task priority - normal, high or low.
  6. Text of the SQL statement representing the content of the task - it is exactly what will be executed within this task. You should switch on "Use SQL parser" option in case you want to use complex script (set of SQL statements). "go" or ";" statements separators are recommended.
  7. The program can add delay between the first SQL statements execution for the script mentioned above. Please set up "Initial statement delay" value (0 by default) for this purpose.
  8. The file with values that can be used to create dynamic statements.
  9. The value separator in the file with values.
  10. Fetch all obtained records into the result set or only the specified number of the first ones. This option makes sense only for tasks that produce a result set.

Also, this dialog box allows you to load an SQL statement from a file on the disk (the "Load" button) and to test if the current statement is correct (the "Test" button).

The stress tool allows you to select one of three ways to use the file with data. In the first case, all task threads use the file with data independently. It means that they open the file on their own and sequentially process records in it. In the second case, each thread uses only one set of values (a string with data) from the file. In this case, the number of strings in the file with data must coincide with the number of threads launched for the task. The third way is when all threads read from the file sequentially.

General task properties Dialog Screenshot

Note: the user can specify default values for most important task proeprties at Settings window.