How To Fix UCFV030 - Performance bottleneck: char. &1 in selection &2, method &3, task &4

SAP Error Message - Details

• Message type: E = Error

• Message class: UCFV - Messages for Validation

• Message number: 030

• Message text: Performance bottleneck: char. &1 in selection &2, method &3, task &4

What causes this issue?

You use characteristic &V1& in selection &V2& in method &V3& or task
&V4& in a validation function that is <ZH>not</> the CONDITION function.
This setting can result in performance bottlenecks:
When the validation is executed, the system reads the totals data
according to the superset of <ZH>all</> selections in the validation
functions (except the CONDITION function) that you use in the validation
method.
If you use a characteristic in a selection condition within the
CONDITION function, the system only checks whether the selections of
this function contain the execution parameters.
If you use a characteristic in a selection condition outside the
CONDITION function, however, this increases the data volume during
processing of <ZH>all</> selections for the validation method. The
performance of the validation can deteriorate as a result.
Example:
The validation method uses two independent validation rules R1 and R2.
Validation rule R1 contains the formula: VAL_YTD(SEL1) > 0
Validation rule R2 contains the formula: VAL_YTD(SEL2) > 0
Selection SEL1 consists of: version = 200, item = 20000000
Selection SEL2 consists of: item = 10000000
You execute the validation in version 100. The system reads totals data
for both versions 100 and 200 as well as for both items 10000000 and
20000000. This also includes totals data for version 200 and item
10000000, which are not required for processing and therefore decrease
performance unnecessarily.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

To prevent performance bottlenecks when validation is run, where
possible, you should <ZH>not</> use the following characteristics in the
validation function (except within the CONDITION function):
Group currency key
Version
Restatement
Fiscal year
Period
Consolidation group
Consolidation unit (for the validation of reported financial data or
standardized reported financial data)
Check whether characteristic &V1& in selection &V2& in method &V3& is
actually required. If possible, remove characteristic &V1& from
selection &V2& or use characteristic &V1& instead only in the CONDITION
validation function.
If this is <ZH>not</> possible, you should move the validation rule in
question to a separate validation method.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message UCFV030 - Performance bottleneck: char. &1 in selection &2, method &3, task &4 ?

  The SAP error message UCFV030 indicates a performance bottleneck related to a characteristic in a selection, method, and task. This message typically arises in the context of SAP BW (Business Warehouse) or SAP HANA when dealing with queries or data processing tasks that involve complex calculations or large datasets.
  Cause:
  
  Complex Queries: The query may involve complex calculations or aggregations that are not optimized.
  Large Data Volume: The selection criteria may be pulling a large volume of data, leading to performance issues.
  Inefficient Data Model: The underlying data model may not be optimized for the queries being executed.
  Missing Indexes: Lack of proper indexing on the database tables can lead to slow data retrieval.
  Resource Constraints: The system may be experiencing resource constraints (CPU, memory, etc.) that affect performance.
  
  Solution:
  
  Optimize Queries: Review and optimize the queries to reduce complexity. This may involve simplifying calculations or breaking down large queries into smaller, more manageable ones.
  Data Model Optimization: Ensure that the data model is optimized for performance. This may include using aggregate tables, partitioning large tables, or denormalizing data where appropriate.
  Indexing: Check if the relevant database tables have the necessary indexes. Adding indexes can significantly improve data retrieval times.
  Performance Analysis: Use transaction codes like ST05 (SQL Trace) or ST12 (Performance Analysis) to analyze the performance of the queries and identify bottlenecks.
  Adjust Selection Criteria: If possible, refine the selection criteria to limit the amount of data being processed at one time.
  System Resources: Monitor system resources and consider scaling up hardware resources if the system is consistently under heavy load.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address specific performance issues related to your version of SAP BW or HANA.
  Transaction Codes: Familiarize yourself with transaction codes like RSRT (Query Monitor) for analyzing query performance and RSOS (OLAP Monitor) for monitoring OLAP processes.
  Performance Tuning Guides: Refer to SAP's performance tuning guides for BW and HANA, which provide best practices for optimizing performance.
  SAP Community: Engage with the SAP Community forums to seek advice from other users who may have encountered similar issues.
  
  By addressing the underlying causes and implementing the suggested solutions, you can mitigate the performance bottleneck indicated by the UCFV030 error message.