• Will overloaded discs impact iSeries performance?

    With the AS/400, use the performance tools to collect data during a busy part of the day and then analyze it to see if your disk performance is impacting overall system performance.

  • Extend storage capacity on an IBM i without negative...

    After extending storage capacity on an IBM 520, the system performance depends on the workload amount and should not be affected negatively as long as the system has a good controller with lots of ...

  • MySQL vs. IBM Toolbox on the i

    Which reads data from i faster: MySQL or IBM Toolbox drivers? Joe Pluta put the drivers to the test in both an AS/400 and a Windows environment. The conclusion: MySQL over its own database performs...

  • Performance tuning for IBM i

    Raymond Johnson answers five reader-submitted questions about performance tuning on the AS/400. Some quick tips and tricks for performance tuning are provided.

Performance

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  • IBM races for clock speed

    IBM offered a sneak peak of its server Power6 chips, slated for release in 2007. IBM is touting gains in clock speed, but experts question whether clock speed matters.  Article

  • What is the relationship between QZDAOSINIT jobs and QDBSRVnn tasks?

    One Search400.com member writes, "What is the relationship between QZDAOSINIT jobs and QDBSRVnn tasks?" Systems managment expert Dan Reusche responds.  Ask the Expert

  • System shutting down after cleanup

    One Search400.com member writes, "Recently our 9406 - 170 2290 has been shutting off after the cleanup. Unfortunately, I can't pinpoint the exact time. Any ideas as to what is causing this to happen?"  Ask the Expert

  • Performance degradation

    One Search400.com member writes, "If the cache battery failed for the iSeries system (RAID5), is the system performance degraded?" Systems management expert Rich Belles says yes.  Ask the Expert

  • Readers respond to Fast400 settlement

    Recently, Search400.com asked readers what they thought about the Fast400 saga. No one seemed in favor of the CFINT governor, some were leery of the performance boosting software's business legitimacy.  Article

  • Tuning the auto-tuner

    The automatic performance adjustment on the iSeries can help you keep your system in step with workload changes. But if your workload changes very quickly, the auto-tuner may need some help from you. Dan Reusche shows you what you can do to assist it...  Tip

  • Determining the speed of an Ethernet card

    One Search400.com user writes, "How can I determine the speed of an Ethernet card on the iSeries?" Systems management expert Rich Belles shares his method.  Ask the Expert

  • Setting the font size for reports

    I need to set the font size to Arial 13 in my reports (PRTF). How can I do this?  Ask the Expert

  • Populating system stats

    Program TJ8953R populates file TJ8953D with the same information that can be viewed with the WRKSYSSTS command using IBM's API QWCRSSTS.  Tip

  • A quick way to parse spooled text files in Excel

    If you want to parse spooled file rows, Excel has a tool that makes the job a snap.  Tip

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