Statistics -- Column descriptions

The read-only columns on the Statistics window show display statistics about step processing.

The displayed information is filtered based upon filters set in previous sessions or the current session. Sort columns by clicking the column heading. Drag the column margin to resize it. Any changes you make are saved when you close the window.

Double-click the step name to obtain detailed performance statistics for the step. The Statistics Details window opens.

Step name

Step type

Process name

Average elapsed time

Average bytes

Source type

Source name

Target type

Target name

Step Name

Shows the step name.

Step Type

Shows the step type: DB2 programs, DB2 OLAP Server programs, File programs, SQL, Statistical transformers, User-defined programs, and Warehouse transformers.

Process name

Shows the name of the process.

Average elapsed time

Shows the average elapsed time in seconds that it took an edition to process. The time includes the time to complete all processing steps, including connection time, disconnection time, and the time that it took to commit changes.

Average bytes

Shows the average amount of data in bytes that was extracted during an edition's processing.

The column displays the not-applicable symbol, - -, if byte data is unavailable for the step, such as for a step that receives data from other steps. The not-applicable symbol is also displayed when source and target databases are the same database.

For steps that contain LONG VARCHAR or other LOB data types, the byte count that is shown in this column might not equal the actual byte count.

Source type

Shows the type of the source database from which the Data Warehouse Center extracted the data for the step.

Source name

Shows the name of the source database from which the Data Warehouse Center extracted the data for the step.

Target type

Shows the type of the target database that contains the step data.

Target name

Shows the name of the target database that contains the step data.