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Školení: DB-10g-TUN

Oracle Database 10g: Performance Tuning

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This Oracle Database 10g: Performance Tuning training will help you get the most out of your 10g Database by learning performance tuning methods that maximize the utility of the database. You'll learn how to benefit from Oracle Database 10g automatic tuning features.Learn To:Practice the manual tuning methods using the statspack tool.Tune an Oracle Database by practicing through a series of workshops.Understand the various methodologies one can use to tune an Oracle Database.Work with various tunable components of an Oracle Database.Benefits to YouEnsure fast, reliable, secure and easy to manage performance. Optimize database workloads, lower IT costs and deliver a higher quality of service by enabling smooth and rapid consolidation within your Datacenter.Counts Toward Hands-On Course RequirementThis course counts towards the Hands-on course requirement for the Oracle Database 10g Administrator Certification. Only instructor-led inclass or instructor-led online formats of this course will meet the Certification Hands-on Requirement. Self Study CD-Rom and Knowledge Center courses are excellent study and reference tools but DO NOT meet the Hands-on Requirement for certification.


  • Database Administrators
  • Support Engineer
  • Technical Consultant


  • Knowledge of Database Administration


  • Use the Oracle Database tuning methodology appropriate to the available tool
  • Utilize database advisors to proactively tune an Oracle database
  • Use the tools based on the Automatic Workload Repository to tune the database
  • Use Statspack reports to tune the database
  • Diagnose and tune common database performance problems
  • Use Enterprise Manager performance-related pages to monitor an Oracle database


Performance Tuning Overview

  • Write appropriate tuning goals
  • Apply the tuning methodology
  • Balance performance and safety trade-offs
  • Identify common tuning problems
  • Log a performance Service Request with Oracle Support

Statistics and Wait Events

  • Identify dynamic performance views useful in tuning
  • Identify key tuning components of the alert log file
  • Identify key tuning components of user trace files
  • Use dynamic performance views to view statistics and wait events

Metrics, Alerts, and Baselines

  • View metrics using the metrics history views
  • Create metric thresholds
  • View alerts
  • Create metric baselines
  • Enable adaptive thresholds

Using Statspack

  • Install Statspack
  • Create Statspack snapshots
  • Generate Statspack reports
  • Identify the major sections of the Statspack report

Using AWR

  • Create and manage AWR snapshots
  • Generate AWR reports
  • Create snapshot sets and compare periods
  • Generate ADDM reports
  • Generate ASH reports

Reactive Tuning

  • Use Enterprise Manager pages to identify symptoms
  • Eliminate operating system issues

Tuning the Shared Pool

  • Diagnose shared pool problems
  • Size the shared pool
  • Size the reserved area
  • Keep objects in the shared pool

Tuning the Buffer Cache

  • Describe the buffer cache architecture
  • Size the buffer cache
  • Resolve common performance issues related to the buffer cache
  • Use common diagnostic indicators to suggest a possible solution

Automatic Shared Memory

  • Enable Automatic Shared Memory
  • Set auto-tuned memory parameters
  • Set the manually tuned SGA parameters
  • Use the SGA advisor to set SGA target

Checkpoint and Redo Tuning

  • Diagnose checkpoint and redo issues
  • Implement Fast Start MTTR target
  • Monitor performance impact of Fast Start MTTR target
  • Implement multiple database writers
  • Tune the redo chain
  • Size the redo log file
  • Size the redo log buffer

Tuning I/O

  • Diagnose database I/O issues
  • Describe the Stripe and Mirror Everything (SAME) concept
  • Explain the benefits of asynchronous I/O
  • Choose appropriate I/O solutions

Tuning PGA and Temporary Space

  • Diagnose PGA memory issues
  • Size the PGA memory
  • Diagnose temporary space issues
  • Specify temporary tablespace parameters for efficient operation

Tuning Block Space Usage

  • Tune segment space management
  • Convert from dictionary managed tablespaces
  • Convert to automatic segment space management
  • Tune block space management
  • Diagnose and correct row chaining
  • Diagnose table fragmentation
  • Compare characteristics of bigfile and smallfile tablespaces

Initial Configuration

  • List best practices identified throughout the course
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