
SAP Performance Management
文章平均质量分 68
scmaxyes
这个作者很懒,什么都没留下…
展开
-
When is there a CPU or Main Memory Bottleneck?
The unused CPU capacity (idle) should normally average at least 20% per hour. This enables the system to accommodate temporary workload peaks. A reading of35% idle CPU capacity is even better. For原创 2015-01-14 08:47:13 · 368 阅读 · 0 评论 -
Continuous Monitoring Using CCMS
SAP Alert MonitorThe Computing Center Management System (CCMS) contains a monitor with which you can monitor all aspects of your SAP solution. Together with SAP Solution Manager, this forms a comple转载 2015-01-16 08:24:53 · 385 阅读 · 0 评论 -
Categories of performance problems
In general, the first input for a performance analysis comes from observations made by users. The workload monitor helps you verify users' subjective comments and isolate the causes of performance pro转载 2015-01-16 15:36:39 · 307 阅读 · 0 评论 -
Working with the Workload Monitor
You call the initial screen of the workload monitor via the following menu path:TOOLS • ADMINISTRATION • MONITOR • PERFORMANCE • WORKLOAD • AGGREGATED STATISTICS RECORDS-LOCALAlternatively, you转载 2015-01-16 12:02:04 · 729 阅读 · 0 评论 -
Analysis of the Internet Communication Manager (ICM)
The Internet Communication Manager (ICM) provides communication between the web browser and SAP work processes of the SAP Java instance or ABAP server. It does not process business logic or generate w转载 2015-01-15 17:48:42 · 937 阅读 · 0 评论 -
Graphical User Interface in SAP Solution Manager
SAP Solution Manager includes a graphical interface for presenting your business processes and the corresponding alert situations. This simplifies monitoring, particularly for complex processes and so转载 2015-01-16 09:25:37 · 426 阅读 · 0 评论 -
Interpreting Response Times
Response Time and Its Components: Dispatcher Wait Time, Roll-In Time, load Time, Database Time, Processing Time, CPU Time, and Roll-Out TimeGuideline Values for Analyzing Average Response Ti转载 2015-01-16 13:41:37 · 765 阅读 · 0 评论 -
System-Wide Work Process Overview
To monitor a system with multiple SAP instances, use the system-wide work process overview (Transaction SM66).By navigating with the 口-〉 button, you'll see the following fields in the system-wide wo转载 2015-01-15 13:35:10 · 418 阅读 · 0 评论 -
Analyzing Work Processes
If you watch the work process overview for several minutes and repeatedly click the REFRESH button to update the display, you can usually determine whether there is a current performance problem relat转载 2015-01-15 12:05:22 · 493 阅读 · 0 评论 -
Analyzing SAP Work Processes
Local work process overviewTOOLS • ADMINISTRATION • MONITOR • SYSTEM MONITORING • PROCESS OVERVIEWAlternatively, you can enter Transaction SM50. The PROCESS OVERVIEW screen is displayed.To displ转载 2015-01-15 09:37:30 · 518 阅读 · 0 评论 -
Activity, Throughput, and Load
Activity and throughputThe concepts of activity, throughput, and load can best be explained using the WORKLOAD OVERVIEW analysis view LoadIf two users each performed 100 transaction steps wi转载 2015-01-16 14:52:05 · 402 阅读 · 0 评论 -
End-to-End Workload Analysis
Transaction steps using multiple systemsIn a simple SAP ERP system, a transaction step usually consists of one action within a system. In a more complex system environment, a single transaction step转载 2015-01-19 09:01:13 · 366 阅读 · 0 评论 -
Evaluating an SQL Trace
To evaluate a performance trace, select DISPLAY TRACE in the initial screen. A selection screen is displayed, and you can specify in the TRACE TYPE field the part of the trace you want to analyze. In转载 2015-01-19 17:54:24 · 465 阅读 · 0 评论 -
Single-Record Statistics
For every transaction step executed in the SAP system, a record with statistical information is generated and saved in files on the application servers. This statistical information includes response转载 2015-01-19 16:05:30 · 677 阅读 · 0 评论 -
Performance Trace
Runtime analysis of ABAP programsPerformance Trace is a powerful tool for analyzing the runtime of ABAP programs. It enables you to record a program runtime for the following operations: database ac转载 2015-01-19 17:33:27 · 667 阅读 · 0 评论 -
End-to-End Workload Monitor in SAP Solution Manager
End-to-end workload analysisThe end-to-end workload analysis in the diagnostics part of SAP Solution Manager provides functions for a workload analysis of ABAP and Java applications on SAP NetWeaver转载 2015-01-19 15:38:17 · 560 阅读 · 0 评论 -
Basics of End-to-End Workload Analysis
Passport and distributed statistics recordsIf multiple SAP components are involved in the processing of a user request, each component writes its data record. In the communication flow between the c转载 2015-01-19 09:11:54 · 423 阅读 · 0 评论 -
Activating a Performance Trace
You can start and stop a performance trace by clicking the TRACE ON and TRACE OFF buttons in TransactionST05. You can only create one performance trace per application server at a time. In the STATE转载 2015-01-19 17:36:40 · 441 阅读 · 0 评论 -
Analyzing Specific Performance Problems
The workload monitor is an analysis tool used for both technical analysis and application analysis, with which you can check the performance of individual transactions.Is There a Performance Pro转载 2015-01-19 08:02:50 · 426 阅读 · 0 评论 -
Central Workload Monitor
AvailabilityThe central workload monitor has been available as of SAP Web Application Server 6.20. The ASAP-based components to be monitored need at least version 4.0 of SAP Basis. In addition to AB转载 2015-01-19 09:40:36 · 479 阅读 · 0 评论 -
Working with the Central Workload Monitor
You call the initial screen of the workload monitor via the following menu path:TOOL • ADMINISTRATION • MONITOR • PERFORMANCE • WORKLOAD • AGGREGATED STATISTICS RECORDS - GLOBALAlternatively, you转载 2015-01-19 09:47:42 · 474 阅读 · 0 评论 -
Arranging Monitoring Tree
In principle, the CCMS Alert Monitor is ready for use immediately after installation. However, its configuration should be optimized and adapted to suit your solution. You can also define and change m转载 2015-01-16 09:04:30 · 318 阅读 · 0 评论 -
Analyzing General Performance Problems
Is There a General Performance Problem?CriteriaUsers can often identify a general performance problem. You can use the workload monitor to verify users' observations and check whether response t转载 2015-01-16 15:40:06 · 525 阅读 · 0 评论 -
Analyzing SAP Extended Memory, SAP Heap Memory, and SAP Roll Memory
Fields in the Memory Configuration MonitorFieldExplanationCURRENT USEAmount of memory currently used in the memoryarea, given in KB and %.MAX. USEMaximum amount of this翻译 2015-01-14 15:18:07 · 747 阅读 · 0 评论 -
Displaying Allocated Memory
ST02 - Detail Analysis Menu - StorageFieldExplanationSTORAGE SHAREDBETWEEN WORKPROCESSESThe value for the ALLOCATED column in theTOTAL row shows the total memory allocated翻译 2015-01-14 16:50:53 · 590 阅读 · 0 评论 -
Other Monitors for Detailed Analysis ST02
SAP parameter changesYou can view the change log in the SAP memory configuration monitor via the pathDETAIL ANALYSIS MENU • PARAMETERS.Monitors for detailed analysisyou can call other转载 2015-01-15 07:48:54 · 841 阅读 · 0 评论 -
Identifying Read/Write (I/O) Problems
In the operating system monitor (Transaction ST06), in the analysis view (Snapshot • Disk) Field Explanation Disk Operating system name of the hard原创 2015-01-14 09:56:00 · 336 阅读 · 0 评论 -
Analyzing SAP Memory Configuration
TOOLS • ADMINISTRATION • MONITOR • PERFORMANCE • SETTINGS/BUFFER • BuFFER or via Transaction ST02.Analyzing SAP BuffersIn the BuFFER section of the SAP memory configuration monitor, you will fin翻译 2015-01-14 14:52:22 · 519 阅读 · 0 评论 -
Detailed Analysis of a Hardware Bottleneck
Performance problems may be indicated if:-> The average idle CPU capacity is less than 20% every hour.-> More than 20% of the physical main memory is paged every hour.-> Utilization of individua原创 2015-01-14 10:10:36 · 425 阅读 · 0 评论 -
Identifying Read/Write (I/O) Problems - Database
To achieve optimal database performance, 110 activity (read/write accesses) should be evenly distributed on the database's hard drives. You should avoidhot spots.You can find important key figures原创 2015-01-14 14:19:37 · 380 阅读 · 0 评论 -
Database Monitoring
The most important functions that you require for performance monitoring of the database include the following:->Overview of the database buffers' status->Overview of the currently running databas原创 2015-01-14 11:28:33 · 415 阅读 · 0 评论 -
Analyzing the Database Buffer
The following values characterize the quality of data buffer accesses:-> Physical read accessesNumber of read accesses to the hard drive. This value indicates how many blocks or pages must be load原创 2015-01-14 13:38:42 · 436 阅读 · 0 评论 -
Transaction Step Cycle
Once an SAP user completes an entry. the presentation server sends the request to the dispatcher on the application server. The response time (Av. RESPONSE TIME) is measured from the moment the reques转载 2015-01-16 12:58:57 · 588 阅读 · 0 评论 -
Technical Settings for the Workload Monitor
To ensure that the statistical single records generated and saved for each transaction step are regularly collated in profiles, theRSCOLL00 program must be scheduled to run every hour as a backgroun转载 2015-01-16 12:39:11 · 546 阅读 · 0 评论 -
Working with the Alert Monitor
Using the Alert Monitor, you can work in SAP GUI or in the Web UI of the central SAP NetWeaver Administrator. In this section, we describe the user interface in the SAP GUI; the Web UI is self-explana转载 2015-01-16 08:41:21 · 326 阅读 · 0 评论 -
Work Process Overview Fields
The description of the fields of the local work process overviewFieldExplanationNo.Work process number (unique for each SAP instance).This number and the SAP instance name (or转载 2015-01-15 10:52:09 · 424 阅读 · 0 评论 -
Basics of Workload Analysis and Runtime Analysis
Statistics such as response times, memory use, and database accesses are collected and stored for all transaction steps by every SAP NetWeaver Application Server (AS). The data collected for a request转载 2015-01-16 10:41:20 · 458 阅读 · 0 评论 -
Arranging Automatic Alert Messaging
Auto-reaction methodYou can allocate auto-reaction methods to critical performance indicators so you will be informed of an alert by email, fax, or pager, even if you are not currently working with转载 2015-01-16 09:20:46 · 412 阅读 · 0 评论 -
Monitoring the Dispatcher Queue
Dispatcher statisticsOccasionally, it may be useful to analyze the work process dispatcher queue. Statistics on dispatcher activities are available via the server overview at the following path:转载 2015-01-15 16:29:28 · 770 阅读 · 0 评论 -
Rules of Thumb for Database Monitoring
Note that these buffer quality values are only guidelines. In some cases, a database instance can still run well with apparently low buffer quality. Therefore, to avoid unnecessary investment of time翻译 2015-01-14 14:44:54 · 482 阅读 · 0 评论