2009년 11월 26일
Performance Analysis

Analysis object TA Monitor / Tool Project organization CCT - Concept Check Tool Business process flow CCT - Concept Check Tool Program runtime SE30 Runtime analysis Applications e.g. pricing ST14 Application analysis Instances of the application server ST03 Workload overview Database SQL requests RFC ST05 ST05 DB01 ST05 ST04 DB05 SQL - Trace Database SQL requests RFC ST05 ST05 DB01 ST05 ST04 DB05 SQL - Trace Table buffering ST10 Overview of table calls Work processes Global, user assignment SM66 SM50 Global work process overview Detailed work process overview System settings Operating system ST06 ST02 Operating system overview Details TA Monitor / Tool Task Goal CCT-Concept Check Tool Use alongside project during first two ASAP phases Analysis of project and implementation work, project organization and configuration of the R/3 System Report with information on optimizing system configuration List possible sources of errors in process flow and Customizing List critical datasets SE30 Runtime analysis Runtime analysis of ABAP programs, transactions, function modules, database accesses, and the R/3 System Reduction of CPU load on the application server ST14 Application analysis Analysis of processes using spot checks and values gained from experience, mainly in SD processing Statistical key figures for optimizing process flow, e.g. price determination ST03 SQL - Trace SAP locks (enqueues) RFC - Trace Display of conversion of OPEN-SQL commands into SQL commands of the database including the transfer of parameters Analysis of access strategy (use of indexes) and the DB optimizer using function EXPLAIN Caution: No display of read accesses for buffered tables! Analysis of SAP lock logic Analysis of the number and runtime of RFC calls Reduction and optimization of database accesses Optimization of options for parallel processing, reduction of locks and enqueue server load Optimization of communication times between various systems DB01 Database locks Analysis of locks on the database Optimization of options for parallel processing ST04 Database process overview Overview of the processes of the DBMS Reduction and optimization of database accesses, optimization of the DBMS DB05 Analysis of key fields of the database Display of the selectivity of DB fields, help for decision-making regarding creating invoices and buffering tables Optimization of indexes ST10 Overview of table calls Analysis of table access Optimization of table buffering SM66 Global work process overview Overview of all active work processes on all available application servers and their user assignment and the programs executed Optimization of processing in a multi-user environment SM50 Detailed work process overview Analysis of a single work process Optimization of processing ST06 Operating system overview Overview of CPU, main memory and hard disks Finding bottlenecks in the system ST02 Overview of memory and buffer use Analysis of main memory usage, buffer quality and table calls Optimization of main memory usage and buffers
Locks
Database processes
Indexes
SAP lock (enqueue)
Database locks
RFC - Trace
Database process overview
Analysis of key fields of DB
Locks
Database processes
Indexes
SAP lock (enqueue)
Database locks
RFC - Trace
Database process overview
Analysis of key fields of DB
Individual work process
Memory and buffer
Overview of memory and buffer use
# by | 2009/11/26 08:50 | xbox | 트랙백 | 덧글(0)



