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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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