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Monitor & Analyse System

Monitor & Analyse System. The Computing Center Management System (CCMS) allows you to monitor, control, and configure your SAP System. 12. 11. 1. 10. 2. 9. 3. 8. 4. 7. 5. 6. Monitoring: What, Why, Who, When. What - Components in R/3:

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Monitor & Analyse System

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  1. Monitor & Analyse System • The Computing Center Management System (CCMS) allows you to monitor, control, and configure your SAP System

  2. 12 11 1 10 2 9 3 8 4 7 5 6 Monitoring: What, Why, Who, When • What - Components in R/3: • R/3 (application servers, buffers, applications, …) • Database: (performance, backup, …) • Operating system: (CPU, file system, …) • Why - Keep the system running Improve performance • Who - Administrators • When - Periodically

  3. The Alert Monitor (RZ20) View All tree nodes Monitoring Tree Elements • Represent one physical or logical object • Summarize alerts andpropagate to higher nodes Monitoring Objects • Receive data and may create alerts • Use data for analysisalerts Monitoring Attributes

  4. CPU idle % CPU idle % Monitoring Concept and Alert Monitor <SID> <SID> SD Transport Database <host>_<SID>_<No> Performance Backup Monitoring Objects Operating Syst. Disk CPU Buffers • All objects summarized in monitoring tree • Display history and present state, especially alerts • Method assignment for: • Analyzing alerts • Reaction and notification • Data collection Monitoring Attributes

  5. Data Consumer: RZ20 Monitor Data Consumer A P I FM Analyze R/3 Syslog DB OS R/3 Monitoring Architecture Terminology Monitoring Architecture Performance DB Monitoring object Monitoring object Monitoring object Data supplier Data supplier Data supplier Data supplier

  6. Monitoring: R/3 Servers and Instances • Information: • Instance names • Hostname • Types of work processes • Release Notes • Work process overview • User overview Application server 1 Application server 2 SM51 • Action: • Remote Logon . . . Application server x R/3 System

  7. Monitoring: R/3 Users Application Server 1 • Information: • User • Client • Terminal • Transaction SM04 / AL08 SM04 . . . AL08 • Actions: • Start and stop WPs • Debugging • Trace • End session Application Server x SM04

  8. 12 11 1 10 2 9 3 8 4 7 5 6 Monitoring: Workload Analysis • Information: • Response time • DB request time • Load time • Wait time • CPU time • ... • Different task types: • Dialog • Update • Background • RFC • Total Application server 1 ST03 Dispatcher Task handler Dynpro Processor Application server 2 ABAP Processor DB-SS . . . Application server x

  9. Monitoring: Buffers • Information (buffers): • Hit ratio • Free space • Swaps • ... Information (SAP memory): • Current in use • Max. used • On disk • In memory • ... ST02 Application server 1 Table Buffer Application server 2 ... Name- tab PXA Buffer . . . Application server x

  10. St t Database Monitoring Use the database analysis tools to look in more detail at alerts shown in RZ20 Database (view in RZ20) <DB System> space management performance backup/restore R/3 consistency running jobs health DB02 ST04 DB12 DB13 Backup logs

  11. CRITICAL TASKS • Checkup that the R/3 System is up • Check daily backup (DB12) • Check all A/s is Up (SM51) • Check the CCMS Alert Monitor (RZ20) • Check for any failed Updates (SM13) • Check System Log (SM21) • Reviewing cancelled Jobs (SM37) • Checking Locks (SM12) • Check for Users on the System (SM04/AL08) • contd…

  12. CRITICAL TASKS • Check for Spool Problems (SP01) • Check Job Log (SM35) • Review and Resolve dumps (ST22) • Review Workload Statistics (ST03) • Review buffer statistics (ST02) • Review of DB error logs (AL02/ST04) • Review of O/S logs (AL16/OS06)

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