When your iSeries' performance drops off, productivity for everyone who works on the server also takes a hit. Follow these tips and resources to improve performance problems and learn how to monitor your systems so you can prevent issues in the future.
 
General tips |
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- Perfecting iSeries performance
- Three basic system tools to help you tune your iSeries
- Complete cleanup for your iSeries system
- Performance Monitoring on AS/400 and iSeries
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WRKYSSTS command |
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- Work with System Status (WRKSYSSTS) command description
- How to use the WRKSYSSTS to monitor your system -- Part I
- How to use the WRKSYSSTS to monitor your system -- Part II
- Using WRKSYSSTS to tune your system
- Tuning the iSeries
- Performance tuning 9406 720 206A running V5R3M0
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WRKDSKSTS commandd |
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- Work with Disk Status (WRKDSKSTS) command description
- Using the WRKDSKSTS command to increase performance
- Why hard disks are important in performance tuning
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WRKACTJOB command |
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- Work with Active Jobs (WRKACTJOB) command description
- How to get the most from WRKACTJOB
- Three fun things you can do with WRKACTJOB
- How to track response times with the WRKACTJOB tool
- Other useful columns on the Work with Active Jobs screen
- Ways to improve response times
- Who's using all the CPU?
- Interactive overload? Take a closer look at your programs
- Alternatives to WRKACTJOB
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WRKSYSACT command |
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- Work with System Activity (WRKSYSACT) command description
- Tapping WRKSYSACT to collect performance data
- What's this new function in the WRKSYSACT command?
- Performance problem solved
- What can we do to improve our system performance?
- Slow system performance
- More about WRKSYSACT
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Using storage pools |
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- How to
increase performance by grouping users into separate storage pools -- Part I
Storage pool basics
- How to increase
performance by grouping users into separate storage pools -- Part II
Control performance of jobs in a storage pool
- How to increase
performance by grouping users into separate storage pools -- Part III
Configure a private storage pool and route certain users into that storage pool
- How to increase
performance by grouping users into separate storage pools -- Part IV
Five steps to setting up a shared storage pool
- How to increase
performance by grouping users into separate storage pools -- Part V
Set up a private pool for batch jobs
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Performance Adjuster (OPFADJ) system value |
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- Tuning the Performance Adjuster
- Customizing the Performance Adjuster's Tuning Interval
- Two OS/400 performance-adjustment settings to check
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Automatic tuning |
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- Let the system tune itself based on your business rules
- Speeding up the iSeries
- Automatic system tuning
- Performance
system values:
Automatically adjust memory pools and activity levels
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Redbooks, Redpapers, publications, books |
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- Managing OS/400 with Operations Navigator V5R1 Volume 5: Performance Management, SG24-6565-00
- IBM iDoctor iSeries Job Watcher: Advanced Performance Tool, SG24-6474-00
- IBM iSeries Performance Overview (PDF)
- IBM iSeries Performance Files (PDF)
- IBM iSeries Work Management (PDF)
- Mastering AS/400 Performance
- iSeries and AS/400 Work Management
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Performance and tuning products |
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- Barsa Consulting: Automatic Partition Resource Manager (APRM)
- CCSS Corp.'s QSystem Monitor
- Centerfield Technology: insure/INDEX
- Centerfield Technology: insure/ANALYSIS
- Help/Systems Products: Robot/AUTOTUNE -- Performance Monitor for iSeries
- IBM: iDoctor for iSeries
- MB Software: Workload Performance Series
- Midland Information Systems: Dynamic LPAR Tuner
- SEA: REV SCOPE
- SoftLanding Systems Inc.: LPAR Tuner
- Tango/O4: VISUAL Control Center
- Tango/O4: VISUAL Support Pro
- Tango/04: VISUAL Control LPAR Tuner
This was first published in April 2005