What is SAP SDF mon?

Table of Contents

You wish to use the SAP Performance Monitor tool (/SDF/MON – also known as Snapshot Monitoring) for analysis of performance problems or general system monitoring. To use /SDF/MON for analysis, it must first be configured and scheduled. Image/data in this KBA is from SAP internal systems, sample data, or demo systems.

How do I activate SDF Smon?

To access SMON, execute transaction /n/SDF/SMON (a leading “/n” is required due to the namespace) or run report /SDF/SMON in transaction SE38.

What is SDF Mon_watchdog?

/SDF/MON_WATCHDOG is a standard Executable ABAP Report available within your SAP system (depending on your version and release level). Below is the basic information available for this SAP report including which OBJECTS it interacts with such as TABLES, FUNCTION MODULES, INCLUDES ETC.

How do I check memory allocated to instance in SAP?

Go to ST02 –> Detailed analysis –> Sap memory. This will let you know memory allocated for that app server. You can also find out memory allocated for user (mode list) and Quotas.

How do I check memory issues in SAP?

The following options are used for monitoring the memory usage :

Tune Summary (transaction ST02)
Transaction ST06 for monitoring the available swap space in the host system.
CCMS Alert Monitor (transaction RZ20)
Overview of Users (transaction SM04)
Overview of Work Processes (transaction SM50)

How do you analyze memory issues in SAP?

The Memory Inspectors: Transaction and Debugger Tool

Use the Memory Inspector standalone transaction (S_MEMORY_INSPECTOR) to analyze and compare memory snapshots.
Use the Memory Inspector in the new ABAP Debugger to analyze memory usage in real time in the program you are debugging.

How do I check memory utilization in SAP?

Displaying Memory Usage Statistics

Start the Workload Monitor by calling transaction ST03.
Choose the appropriate user mode.
In the Workload tree, choose the instance and period to be analyzed.
Choose Analysis Views →
The system displays the usual output area, in which the requested workload is displayed.

How do you check CPU and memory utilization in SAP?

How to find the CPU utilization

Shalesh Singh Visen. Use Tcode: ST06. Or from ccms monitoring as well use those RZ20. Os level use top command in Unix.
Guest. Please use ST03 or ST03N to get answer.
Guest. After st03n what to do?

What are different types of memory in SAP?

The different memory types are: SAP roll area. SAP extended memory. Private memory.

How do I check my CPU utilization history in SAP?

To view the history chart, choose View History . The History Reports tool is opened where you can view (and configure) the DefaultReport chart. If the gauge light is yellow or red, it indicates that you CPU usage is too high and may cause a problem.

How do I check SAP memory consumption?

Procedure

Start the Workload Monitor by calling transaction ST03.
Choose the appropriate user mode.
In the Workload tree, choose the instance and period to be analyzed.
Choose Analysis Views →
The system displays the usual output area, in which the requested workload is displayed.

What is difference between SAP memory and ABAP memory?

Summary: SAP memory is global and can be used to pass data across main sessions while ABAP memory is local and is uses to pass data across internal sessions. GET PARAMETER and SET PARAMETER are used to write and read to SAP memory while IMPORT FROM MEMORY and EXPORT TO MEMORY are used for ABAP memory.

What is SAP paging memory?

SAP Paging Memory. It is completely different from Operating system Paging memory. A new user context is created when an ABAP Program calls another program or transaction. The variables are transferred when a new Program is called and is stored in Paging memory.

How do you analyze high CPU utilization in SAP?

Content of SAP note 1871088

Verify which process utilizes most CPU. Run the “top” command to get a list of processes utilizing the CPU.
Check the CPU usage from TREXAdmin Tool -> Services -> Load.
Get a list of running threads.

What are the types of memory in SAP?

What is singleton class in SAP ABAP?

A Singleton class is a class which can have at the most one instance. A Static Class, on the other hand, contains only static methods and attributes and therefore does not require instantiation.

What is roll buffer in SAP?

Definition. The roll and paging buffers are the preferred working area of the roll and paging areas for an instance (application server). The remaining area is located on disk as roll and paging files. The user context is stored in the extended memory and the roll area (when the job is “rolled out” of a work process).

How do you troubleshoot SAP slowness?

code ST03 where you can check which part is consuming maximum time. If you are using SQL, Goto T. code ST04 to see if your database trans log is getting too large or if the database file size has adequate room for growth Check T. code ST06 where the system shows the current detail data for the high CPU usage.

How do I use /SDF/Mon for analysis?

To use /SDF/MON for analysis, it must first be configured and scheduled. Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental. Read more… SAP Netweaver All Releases

How do I start the collection from SDF data?

To start the collection run transaction /n/SDF/MON or go to SA38 and execute job /SDF/MON. Double click on the line to access the MONITORING DATA page.