Dawn May

Dawn May




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Recent Posts

  • Client Advisory Council Meetings in June 2017
    06/22/2017
  • Graph History—Stacked Charts
    05/22/2017
  • COMMON Americas Advisory Council (CAAC) and RFEs
    05/03/2017
  • Subsystem Configuration Documentation
    04/18/2017
  • IBM i Monitors: Automatic Notification and Replacement Variables
    04/05/2017
  • Collecting Database Performance Data With IBM i Performance Data Investigator

    In the past, IBM i database performance management and analysis was done using tools specifically created for database, while system performance management and analysis was done using the system performance tools.  There was little integration between the two toolsets.

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    Posted: March 09, 2016 |

    IBM i Configuration Defaults

    After the blog “Why You Should be Using Expert Cache” was published, I was asked a question via Twitter.

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    Posted: March 01, 2016 |

    Single Object Restore Performance Enhancement

    Andy Mallan of the IBM i Save/Restore development team describes how information is located on tape when doing a restore. He also provides details on a recently introduced performance-improving enhancement.

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    Posted: February 17, 2016 |

    Why You Should be Using Expert Cache

    It's free.  It's simple to enable. It can improve the performance of your IBM i system. Sound interesting?

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    Posted: February 09, 2016 |

    Leveraging SSDs and IASPs with BRMS Migration

    One significant change in IBM i 7.2 is the modernization of storage tiering in the BRMS migration function. In prior releases, the migration function in BRMS works only for library migration between auxiliary storage pools (ASPs) based on the specified policies for frequency of use. However, in IBM i 7.2 with PTF SI57831 applied, the BRMS migration function is enhanced to support the migration to independent ASPs (IASPs), migration of *LNK lists for IFS files, and migration of database files to different SSD and HDD storage tiers within the same ASP.

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    Posted: January 19, 2016 |

    SQL CPU Utilization

    SQL CPU Utilization was introduced in the IBM i 7.2 release. This metric helps you discover how much of your CPU is being used by SQL operations, and is a starting point to determine if your CPU utilization is due to SQL or other work on the system.  This metric is available on a per-thread basis and aggregated for the partition as a whole. The systemwide value is only available on 7.2, while the thread-level support was PTF’d back to 7.1.

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    Posted: January 15, 2016 |

    January 2016 IBM i Large User Group Meeting

    The IBM i Large User Group (LUG) has its next meeting later this month. I’ve written about the LUG before. It meets three times each year in Rochester, Minnesota, and one of those meetings is in the winter.

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    Posted: January 06, 2016 |

    IBM i Job Accounting and Prestart Server Jobs

    Last fall, after one of my presentations, I was asked about job accounting and prestart server jobs.  Sharing this information in a blog article seems like a good idea since I’ve fielded similar questions in the past.

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    Posted: December 07, 2015 |

    Route Remote Command Requests to a Specific Subsystem

    If you’re like me, it was nice to take a break from work last week.  This week is turning out to be very busy, so this blog is very brief.

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    Posted: December 01, 2015 |

    Copy Spooled Files to PDFs using the UIM Exit Point for WRKSPLF

    I have heard clients wish that IBM provided an option when working with spooled files to create a PDF of that spooled file.  Don’t expect IBM to provide this enhancement —a way already exists for you to extend the interface and do this yourself.

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    Posted: November 19, 2015 |

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