Drive Down iSeries Computing Costs … iSeries Computing Costs
I/O Causing CPU, Memory, Disk Bottlenecks 90% of all system performance issues are caused by excessive, unnecessary I/O pe...
Tune Application Workload Before Hardware Tuning Don’t Tune Hardware First!  Enhance Efficiency of Applications… Tune Hard...
Identify Top Causes of Bottlenecks Identify Top Causes of Bottlenecks
Understand Make-up of Workload Understand Make-up of Workload
Create List of Top Priorities Create List of Top Priorities <ul><li>Interactive Threshold Being Exceeded </li></ul><ul><li...
Interactive Response Time 63%  - Interactive response time is usually OK, but random slowdowns occur.  Can’t find cause – ...
Interactive SQL & Queries #1
Interactive SQL & Queries #2
Interactive SQL & Queries #3
Interactive SQL & Queries #4
HA Can’t Keep Up 51%  - Journal receivers are 10 GB per day, HA can’t keep up.
Journal Analyzer #1
Journal Analyzer #2
Journal Analyzer #3
Journal Analyzer #4
Java & JDBC Killing System 46%  - New web app uses Java & JDBC, when web lookup pages are hit, user waits 2 minutes.  Syst...
QJVACMDSRC
Application Analyzer
Job Logs Wasting Resources 32%  - 500,000 pages of job logs generated every day, logs rarely used, wasting disk space, CPU...
Spool Analyzer #1
Spool Analyzer #2
Spool Analyzer #3
Job Description & End Code
Message Logging
Q&A To receive MB Software’s FREE performance evaluation:  1.   Register at  http://www.mb-software.com   2.   Download an...
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How to Drive Down iSeries Computing Costs

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In this Webcast, iSeries performance expert Mike Boadway of MB Software used your enrollment survey responses to drive the focus. If you start with tuning your applications for appropriate workloads, you can greatly improve your iSeries hardware performance -- without expensive hardware upgrades. In addition, properly tuned applications can enhance your system's performance for end user's and increase availability.

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Transcript of "How to Drive Down iSeries Computing Costs"

  1. 1. Drive Down iSeries Computing Costs … iSeries Computing Costs
  2. 2. I/O Causing CPU, Memory, Disk Bottlenecks 90% of all system performance issues are caused by excessive, unnecessary I/O performed by application software! <ul><li>High CPU Utilization </li></ul><ul><li>Memory Faulting </li></ul><ul><li>Slow Interactive Response Time </li></ul><ul><li>Long Duration of Batch Jobs </li></ul><ul><li>High Disk Actuator Arm Activity </li></ul>Application with SQL that Reads 1,000,000 Records to Select 1,000 Records
  3. 3. Tune Application Workload Before Hardware Tuning Don’t Tune Hardware First! Enhance Efficiency of Applications… Tune Hardware Around Appropriate Workload
  4. 4. Identify Top Causes of Bottlenecks Identify Top Causes of Bottlenecks
  5. 5. Understand Make-up of Workload Understand Make-up of Workload
  6. 6. Create List of Top Priorities Create List of Top Priorities <ul><li>Interactive Threshold Being Exceeded </li></ul><ul><li>Daytime SQL and Queries Impacting Response Time </li></ul><ul><li>Nightly Processing Running for 5 Hours </li></ul><ul><li>Payroll Job Running for 6 hours per Location </li></ul><ul><li>AR Aging Report Killing System </li></ul>
  7. 7. Interactive Response Time 63% - Interactive response time is usually OK, but random slowdowns occur. Can’t find cause – solution appears to be a $100,000 interactive feature card.
  8. 8. Interactive SQL & Queries #1
  9. 9. Interactive SQL & Queries #2
  10. 10. Interactive SQL & Queries #3
  11. 11. Interactive SQL & Queries #4
  12. 12. HA Can’t Keep Up 51% - Journal receivers are 10 GB per day, HA can’t keep up.
  13. 13. Journal Analyzer #1
  14. 14. Journal Analyzer #2
  15. 15. Journal Analyzer #3
  16. 16. Journal Analyzer #4
  17. 17. Java & JDBC Killing System 46% - New web app uses Java & JDBC, when web lookup pages are hit, user waits 2 minutes. System was fine until new app went live.
  18. 18. QJVACMDSRC
  19. 19. Application Analyzer
  20. 20. Job Logs Wasting Resources 32% - 500,000 pages of job logs generated every day, logs rarely used, wasting disk space, CPU & I/O.
  21. 21. Spool Analyzer #1
  22. 22. Spool Analyzer #2
  23. 23. Spool Analyzer #3
  24. 24. Job Description & End Code
  25. 25. Message Logging
  26. 26. Q&A To receive MB Software’s FREE performance evaluation: 1. Register at http://www.mb-software.com 2. Download and install software on AS/400 3. Call (800) 713-5034 to schedule your free performance review session What To Expect : After allowing performance data to accumulate for one full business day, you will log into a secure area of MB Software’s Web site and have a conference call to discuss our findings and how you can gain performance improvements. It’s that easy! Questions & Answers
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