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NW AS Java Administrator (NWA)

Performance Monitoring with Statistical Records

Statistical records give you an overview of the performance of your system. Each dialog step is recorded, an information like user and program name, response time, CPU time and more is logged. This information is very useful when you want to analyze the performance (or a performance bottleneck) of your systems.

You can display statistics about the system load in the following ways:

  • The workload monitor displays statistical data from the local ABAP system. The workload overview enables you to analyze the performance of a system. A wide range of analysis views and data helps you to find the source of performance problems quickly and easily.
  • The global workload monitor displays statistics for entire landscapes, including statistics for non-ABAP components. For example, in this monitor you can display the load data created when external components are started.
  • Whereas the global workload monitor shows only aggregated data, you can use the functional trace to display raw statistical data (single records) from both ABAP systems and non-ABAP systems in complex system landscapes.

For general information about monitoring, see Monitoring your SAP NetWeaver Components.  

Tools

Workload Monitor (SAP Help Portal)

You can use the workload monitor (transaction ST03) to analyze statistical data for the ABAP kernel. You can display the total values for all instances, and compare the performance of particular instances over a period of time. A wide range of analysis views and data helps you to find the source of performance problems quickly and easily.

Global Workload Monitor (SAP Help Portal)

The Global Workload Monitor (transaction ST03G) displays statistical records for entire landscapes and therefore allows you to analyze statistics data for both ABAP and non-ABAP systems.

Setting up the Global Workload Monitor (SAP Tutor)

The Global Workload Monitor (transaction ST03G) displays statistical records for entire landscapes and therefore allows the analysis of statistical data both for ABAP and for DSR components. The SAP Tutor contains the setup of the Global Workload Monitor for the most important cases, namely displaying the statistical data for ABAP, Java, and double-stack systems.

Functional Trace (SAP Help Portal)

The functional trace displays statistics records and traces from ABAP systems and from non-ABAP systems (DSRs).

Technical Aspects

Distributed Statistic Records Shared Library: API Guide for the Writer  

The Distributed Statistic Records Shared Library is designed to be used by non ABAP applications to write statistical and trace data. The library provides means to write data in a centralized, synchronized and standardized manner.

An Enhanced Workload Statistics Collector for large customer systems - Part I (SDN Blog)

In large customer systems, the standard Workload Statistics Collector is sometimes unable to handle the amount of statistics being created. This blog describes an enhanced version of the Workload Statistics Collector which is shipped as additional software.

An Enhanced Workload Statistics Collector for large customer systems - Part II(SDN Blog)

In large customer systems, the standard Workload Statistics Collector is sometimes unable to handle the amount of statistics being created. This blog describes an enhanced version of the Workload Statistics Collector which is shipped as additional software.

NW2004s Workload Statistics Collector: Implementing a BAdI as user exit (SDN Blog)

The NW2004s Workload Statistics Collector requires to implement a 'BAdI' (Business Add-In) as user exit. This blog is about how to implement such a BAdI and which constraints have to be taken into account.

Statistical Records Part 1: Inside STAD (SDN Blog)

The ABAP statistical records are a useful tool for performance analysis. This blog is about the way these records are created and how they can be analyzed.

Statistical Records Part 2: RFC Statistics (SDN Blog)

The ABAP statistical records are a useful tool for performance analysis. This blog is about the RFC statistical records which gives detailed information about RFC client server communication.

How to read ST03N datasets from DB (SDN Blog)

How can one use the ST03N datasets for custom analysis? This blog shows the API to read ST03N datasets from the databse.

Statistical Records Part 4: How to read ST03N datasets from DB in NW2004 (SDN Blog)

How can one use the ST03N datasets for custom analysis in NW2004 and previous releases? This blog shows the API to read ST03N datasets from the database.

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