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SAP BW Workbooks are simple Excel sheets customized with SAP BW queries. Formatted reports can be created with the help of SAP BW workbooks, as they allow administrators to change the way reports look. Apart from just formatting, administrators can also have Excel calculations. Multiple queries can be inserted in a single workbook which can be used for further analysis. A default workbook is provided to create reports with very less formatting work.

If the workbooks do not execute faster or if the queries executing on the workbooks fail, then the data could not be retrieved and generated for the target SAP Business Warehouse instance. To proactively figure out the workbooks that are taking too long to execute, administrators can use the BWWorkBkStatTest.

This test auto-discovers the workbooks created on the target SAP Business Warehouse instance and for each workbook, this test reports the number of sessions that initiated the workbook. In addition, this test reports the number of times each workbook was executed and the time taken by each workbook for execution. Using this test, administrators can figure out the workbook that is the slowest to execute. The detailed diagnostics of this test provides in depth insights into the exact query / execution that was the reason behind the workbooks being slow to execute.

Outputs of the test : One set of results for each workbook created on the target SAP Business Warehouse Instance being monitored.

Measurement	Description	Measurement Unit	Interpretation
Sessions	Indicates the number of sessions in which this workbook was initiated during the last measurement period.	Number	A high value for this measure is a indication that the workbook is highly in demand. This may in turn cause the workbook to load slower than usual.
Steps	Indicates the number of steps that were executed from this workbook during the last measurement period.	Number	A high value for this measure may result in the slowness of the workbook.
Executions	Indicates the number of times this workbook was executed during the last measurement period.	Number	This measure is a good indicator of load on the SAP Business Warehouse Instance. Compare the value of this measure across workbooks to figure out the workbook that is executed more frequently.
Execution_rate	Indicates rate at which this workbook was executed during the last measurement period.	Execution/min
Response_time	Indicates time taken by this workbook to complete an execution.	Seconds/execution	Compare the value of this measure across workbooks to figure out the workbook that is the slowest in terms of execution. Use the detailed diagnosis of this measure to figure out the executions that were the slowest for each workbook. The detailed diagnosis of this measure lists the name of the user, Start time, Info provider, Response time, Loading or Generating time, Query time, Serialize Deserialize time, Read time, Front end transfer time, Processing time, Rendering time, Other event time, Queries, OLAP time, Data manager time, Session ID, Step ID, Handle ID and Object properties.
Load_gen_time	Indicates the time taken to load/generate this workbook upon an execution.	Seconds/execution	A low value indicates that the workbook is loading faster. Compare the value of this measure across workbooks to figure out the workbook that is the slowest to load upon execution.
Query_time	Indicates the time taken to execute the query from this workbook during the last measurement period.	Seconds/execution	A high value for this measure indicates that the query is problematic and needs optimization.
Serialize_Deserialize	Indicates the time taken by this workbook to serialize and deserialize the result set that is obtained upon an execution.	Seconds/execution
Read_time	Indicates the average time taken by this workbook to read the data from the query result set and covert it to a flat format.	Seconds/execution
Front_end_time	Indicates the time taken by this workbook to transfer data to the front end (for e.g., web reports) upon an execution.	Seconds/execution	The value of this measure is a sum of time taken to transfer text from server to front end system, transfer system information to front end, transfer currencies and conversion types to front end and transfer themes to front end.
Processing_time	Indicates the time taken by this workbook to process a general command/dialog upon an execution.	Seconds/execution
Render_time	Indicates the time taken by this workbook to pull the data and render the data to the excel file upon execution.	Seconds/execution
Queries	Indicates the number of queries executed on this workbook upon an execution request.	Queries/execution	Use the detailed diagnosis of this measure to figure out the queries that are the slowest to execute on each workbook. For each workbook, the detailed diagnosis of this measure lists the name of the query, user executing the query, Info provider, Start time, Selected records, Transported records, Response time, OLAP time, OLAP cache time, Data manager time, OLAP authorization time, OLAP input help time, OLAP services time, Query Generation time, Data read time, Data selection time, Front end data transfer time, Read texts time, Badi compute time, Other events time, Properties, Session ID, Step ID and HandleID.
Other_event_time	Indicates the time taken by this workbook to perform other events/activities upon an execution.	Seconds/execution	Other events comprises of a few basic operations such as draw symbols, BEx analyzer initialization, copy excel worksheet during sheet drill down, load local workbook (when opening a query), save workbook BLOB, and user interaction.
OLAP_time	Indicates the Online Analytical processing time taken per execution by this workbook.	Seconds/execution
Data_manager_time	Indicates the time taken by this workbook to query the data manager package for data upon execution.	Seconds/execution