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Db2 for z/OS: monitoring & tuning systems' performance

This two-day course examines and explains the critical factors that affect Db2 for z/OS performance from a systems perspective. The effective use of monitoring and tuning tools is an integral part of all tuning topics throughout the course. This course is appropriate for Db2 for z/OS environments up to and including Db2 12 for z/OS.

On successful completion of this course you will be able to:

  • identify the Db2 and MVS factors that affect performance
  • plan for Db2 subsystem monitoring and tuning
  • detect poor performance using various techniques
  • identify tuning opportunities
  • carry out effective problem detection through the use of an established performance and monitoring policy
  • Implement and interpret Db2 related trace outputs covering I/O tuning, buffer pool tuning, EDM pool tuning, IRLM tuning, thread tuning.

Schedule a training?

Delivered as a live, interactive online training.

DEMANDER FORMATION EN ENTREPRISE

 

Calendrier publique des formations
dateduréelang.lieuprix 
12 mai2Eweb based 1575 EUR (excl. TVA)
17 juil2Eweb based 1575 EUR (excl. TVA)
INFO SESSION ET INSCRIPTION

Intended for

All those responsible for Db2 systems' performance.

Background

A sound understanding of Db2 and z/OS concepts is required.

Main topics

  • Performance Overview
    • What is ''performance''?
    • Performance objectives
    • Workload categories
    • Service Level Agreements
    • Performance factors
    • System parameters
    • EDM pool size
    • Buffer pool sizes
    • Bufferpool thresholds
    • Database design factors
    • Application design factors
    • Db2 traces
  • Db2 Traces
    • Activating traces
    • Trace types
    • Trace destination
    • Accounting trace classes
    • Audit trace classes
    • Statistics trace classes
    • Performance trace classes
    • Monitor trace classes
    • Global trace classes
    • IFCIDs activated
    • Other trace options
    • Controlling traces
    • Auditing tables
    • Audit policies
  • Performance Monitoring
    • Monitoring & tuning overview
    • Db2 monitoring overview
    • Db2 Performance Expert (Db2PE)
    • Db2PE report sets & traces
    • Statistics report example
    • Accounting trace classes and report details
    • Suspensions
  • Db2 System Parameters
    • Db2 system parameters
    • Modifying system parameters
    • Specifying start-up parameters
    • Online parameter management
    • Changing parameters using commands
    • Producing a system parameters report
    • System parameters report
  • Tuning Buffer Pools
    • Buffer pools
    • 64-bit architecture
    • Buffer pool size
    • Buffer pool pages
    • Buffer page processing
    • I/O types
    • Buffer pool thresholds
    • Fixed thresholds
    • Variable thresholds
    • Buffer page stealing
    • Buffer pool parameters
    • DISPLAY BUFFERPOOL command
    • DISPLAY BUFFERPOOL output
    • Buffer pool hit ratio
    • Hit ratio determination - DISPLAY BUFFERPOOL command
    • Hit ratio determination - DB2PE reports
    • Monitoring buffer pools (write activity)
    • Monitoring buffer pools (I/O)
    • Buffer pool tuning: number and size, thresholds
    • ALTER BUFFERPOOL command
  • Tuning the EDM Pool
    • The EDM pool
    • Default EDM pool size
    • Modifying EDM pool size
    • Dynamic SQL caching
    • EDM pool parameters
    • EDM pool storage usage
    • Monitoring the EDM pool: general, dynamic SQL, I/O activity
    • Tuning the EDM pool
  • Tuning the Sort Pool
    • The sort pool
    • Sort processing: sort phase, sort tree, merge phase
    • Sort pool size
    • Sort pool estimation
    • Sort pool parameters
    • Monitoring sorts
    • Sort performance
    • Sort tuning
  • Tuning the RID Pool
    • Record Identifiers
    • RID pool storage
    • RID pool size
    • RID pool parameters
    • RID processing: list prefetch, multiple indexes, hybrid join
    • Monitoring RID pool
    • Tuning the RID pool
  • Monitoring Application Performance
    • Monitoring overview
    • Db2 Performance Expert (Db2PE)
    • Db2PE reports and traces
    • Db2PE accounting report: short, long
    • Accounting report: time distribution, application times, suspensions & highlights
    • Accounting report
    • Dynamic SQL caching
    • Other processing activity
    • Locking activity
    • Parallelism
    • Buffer pool & group buffer pool activity
    • Db2PE statistics reports
  • Tuning Threads
    • Threads
    • Connection types
    • Controlling connections
    • Connection parameters
    • Connection processing
    • TSO connections
    • CAF connections
    • CICS connection control
    • IMS connections
    • IMS connection control
    • Monitoring threads (Db2 command)
    • Monitoring threads (Db2PE)
    • Thread tuning: general, TSO, CICS, IMS
  • Tuning Locking & Concurrency
    • Locking overview
    • The Internal Resource Lock Manager (IRLM)
    • Reasons for locking: lost updates, reading uncommitted data, repeatable read: Lock control
    • Lock options - installation
    • Locking parameters
    • Lock options - application development
    • Locks used by SQL statements
    • Lock compatibility: row or page locks, tablespace locks
    • Bind - ACQUIRE and RELEASE parameters
    • Bind - ISOLATION and CURRENTDATA parameters
    • Lock avoidance
    • Lock avoidance example
    • Monitoring locking: DB2 command, LOCKINFO, EXPLAIN, DB2PE
    • Tuning locking
  • Tuning Data-Sharing
    • Db2 data-sharing
    • Coupling Facility structures: cache structure, lock structure
    • Lock table entries
    • Using the lock structure
    • Lock propagation
    • Coupling Facility structures - list structure
    • Installing data-sharing
    • Data-sharing parameters
    • Group Buffer Pool parameters
    • DISPLAY GROUP command
    • DISPLAY GROUPBUFFERPOOL command
    • DISPLAY GROUPBUFFERPOOL output
    • ALTER GROUPBUFFERPOOL command
    • Monitoring Group Buffer Pool activity (Db2PE)
    • Monitoring data-sharing locking
    • Tuning data-sharing: Group Buffer Pool size, lock structure size

Training method

Live instructor-led training, with plenty of opportunities for hands-on exercises and discussion.

Certificate

At the end of the session, the participant receives a 'Certificate of Completion'.

Duration

2 days.

Course leader

RSM Technology.


INFO SESSION ET INSCRIPTION