Performance Problems Caused by Nonlinear Coding
Imagine the following situation: An important customer had been using your program without complaints until last week, when he had to process a very large contract with 20.000 positions. The customer...
View ArticleThe SQL Trace (ST05) Quick and Easy
The SQL Trace, which is part of the Performance Trace (transaction ST05), is the most important tool to test the performance of the database. Unfortunately, information on how to use the SQL Trace and...
View ArticleRuntimes of Reads and Loops on Internal Tables
In ABAP coding many performance problems are related to the handling of internal tables. Especially in the case of nested loops on two large tables, it is important for the runtime of the inner...
View ArticleHow to Measure Operations on Internal Tables
The efficient handling of internal tables is one of the most important performance factors in ABAP programs. Therefore it is essential to know the runtime behavior of internal table statements. This...
View ArticleThe ABAP Runtime Trace (SE30) - Quick and Easy
Besides the SQL Trace, the ABAP Runtime Analysis or ABAP Trace (transaction SE30) is the most important tool to use, if you want to test the performance of your ABAPprogram. Unfortunately, it can be...
View ArticleA Tool to Compare Runtime Measurements: Z_SE30_COMPARE
This Web log introduces the report Z_SE30_COMPARE, which can be used to compare ABAP Runtime Traces. Comparing traces can be interesting in many respects; for example you might want to evaluate the...
View ArticleNonlinearity Check Using the Z_SE30_COMPARE
In this Web log a small tool is introduced which can be used to compare hit lists of two ABAP Runtime measurements with different amounts of data. You will learn where you can get the tool, what you...
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