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Purpose

In BI4.0, WebI documents based off .UNV universes use the MDA (Multi-Dimensional Data Access) layer to connect to OLAP data sources including SAP BW, Microsoft SSAS (Microsoft SQL Server Analysis Services) and Essbase data sources.  MDA trace logs are useful in troubleshooting reporting issues from these data sources.

Overview

Tracing for the various components in the MDA layer in BI4.0 and higher releases is controlled by the BI platform’s trace configuration file:

<BI platform install dir>\BusinessObjects\SAP Business Objects Enterprise XI 4.0\conf\BO_trace.ini

Recommend using Notepad (Win) or Vi (Unix) to edit.

Tracing is now easier in BI4.0 compared to XI3.1 where the registry needed to be modified.

Enabling Tracing for All MDA Components

The following settings enable the highest level of logging for all MDA components with the exception of the MEMORY component.

The MEMORY component is extremely verbose and used only by the development team for diagnosing memory issues.

log_dir = "C:/Program Files (x86)/SAP BusinessObjects/SAP BusinessObjects Enterprise XI 4.0/logging";

[from_subunit("MDA")] // Enable MDA logging (C++ logging for WebI)

active = true;

importance = xs;

[from_subunit("MDA.MEMORY")] // Enable MDA logging (C++ logging for WebI)

active = true;

alert = true;

importance = xl;

Enable Tracing for Specific MDA Components

It is possible to only enable tracing for specific MDA components.  The following is a list of all available MDA components:

[from_subunit("MDA.APIMODULE")]

active = true;

importance = xs;

[from_subunit("MDA.ASSERTION")]

active = true;

alert = true;

importance = xs;

[from_subunit("MDA.COMMONMODULE")]

active = true;

importance = xs;

[from_subunit("MDA.ESSBASEMODULE")]

active = true;

importance = xs;

[from_subunit("MDA.MEMORY")]

active = false;

alert = false;

importance = xl;

[from_subunit("MDA.INTERFACE")]

active = true;

importance = xs;

[from_subunit("MDA.MAIN")]

active = true;

importance = xs;

[from_subunit("MDA.OCAMODULE")]

active = true;

importance = xs;

[from_subunit("MDA.ODBOMODULE")]

active = true;

importance = xs;

[from_subunit("MDA.ODBOPROVIDERMODULE")]

active = true;

importance = xs;

[from_subunit("MDA.ODBOSHAREDUTILITIES")]

active = true;

importance = xs;

[from_subunit("MDA.SAPMODULE")]

active = true;

importance = xs;

[from_subunit("MDA.SUPPORT")]

active = true;

importance = xs;

[from_subunit("MDA.UTILITIES")]

active = true;

importance = xs;

Related Content

Related Documents

Enabling MDA Tracing in SAP BusinessObjects BI platform 4 0.pdf

Related Notes

SAP Knowledge Base Article 1711416 - BI 4.0: Enabling MDA tracing for OLAP-based universes

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