• Distinguish between system and application performance constraints
• Describe the performance implications of each subsystem by understanding, in general terms, how the subsystem works
• Identify and eliminate (or minimize) various software and hardware performance constraints using AIX 5L tools and standard UNIX tools
• List various sources of information and support for capacity planning, system assurance, performance analysis and tuning

• describe performance terminology
• explain performance components
• describe the performance tuning process
• explain performance metrics
• list tools available for analysis and tuning
  
  Monitoring, analyzing and tuning Central Processing Unit (CPU) usage
   
• explain processes and threads
• explain how priorities and scheduling work
• demonstrate the application of standard AIX tools in determining bottlenecks
• interpret results and reports generated by the tools
• demonstrate techniques for tuning the overall system
  
  Virtual memory performance monitoring and tuning
   
• explain basic virtual memory concepts and what issues affect performance
• explain how to analyze memory usage
• explain page replacement
• analyze and tune page replacement
• use VMM monitoring and tuning
  
  Physical and logical volume performance
   
• identify factors related to physical and logical volume performance
• use performance tools to identify I/O bottlenecks
• configure physical disks and adapters for optimal performance
• configure logical volumes for optimal performance
  
  File system performance monitoring and tuning
   
• list characteristics of the file system that apply to performance
• describe how file fragmentation affects disk I/O performance
• use the filemon tool to evaluate file system performance
• tune asynchronous I/O, synchronous I/O and Journaled File System (JFS) log
• tune direct I/O and release-behind
• tune page read-ahead and write-behind
• identify resource bottlenecks
  
  Network performance
   
• list the factors and system parameters that affect network performance
• use netstat, netpmon, tcpdump, and iptrace/ipreport to monitor network performance
• use no, chdev, ifconfig, and smit to tune network performance
  
  NFS performance
   
• define the basic NFS concepts
• list the differences between NFS V2, V3 and V4
• tune NFS servers
• tune NFS clients
• tune Remote Procedure Call (RPC) daemons
  
  Additional tools
   
• use the trace facility to diagnose performance problems
• describe the roles of the manager and agent components of the AIX Performance Toolbox
• use the topas command
  
  Database tuning
   
• define basic database terminology
• list the database tuning components
• tune DBMS
• tune database I/O
  
  Performance summary
   
• distinguish between a performance problem and a functional problem
• define a performance problem
• collect performance data using Performance Problem Reporting (PerfPMR)
• define performance tuning
• list the performance tuning strategy

• AIX 5L System Administration I : Implementation (UN1314)
• AIX 5L System Administration II : Problem Determination (UN1316)
• or have six months AIX experience
  
  and you should be able to:

• Manage AIX physical and logical storage
• Do basic performance analysis to identify where problems are in the system and be able to suggest basic alternative strategies
• Utilize additional subsystems including cron to schedule system tasks and accounting to analyze system activity
• Pull together many of the topics learned in previous courses to start addressing real-life system administrator issues

Public Classes Are Available At UNICOMP, Inc Locations Or On Site Private Class, Upon Your Request.

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