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Products DB2 InfoReorg for z/OS Details

DB2 InfoReorg® for z/OS

A Significant Reduction in Reorganization Costs

InfoReorg

InfoReorg:

  • Performs ultrafast reorganizations
  • Runs all the necessary processes in parallel instead of sequentially (index reorganization, Full Image Copy, Runstats).
  • Considerably reduces the reorganization time using a proprietary sorting technique developed by Infotel (Partial Index Scan).

In addition, because InfoReorg runs outside DB2, it substantially reduces the CPU and Elapsed times required for reorganization.

Very Easy to Use

A user-friendly ISPF interface to:

  • Select the DB2 objects to be reorganized
  • Generate and store the suitable JCL.

InfoReorg manages the resources required for regeneration.

A Simple Process Flow

  1. The data in the Tablespace and/or Indexes are read, sorted, then rewritten after reorganization.
  2. A Before Image Copy can be made.
  3. One or more post reorganization Full Image Copies are created.
  4. Reorganization is recorded in the DB2 catalogue.
  5. A catalogue update file is created for the RUNSTATS
  6. A discard file is created.
  7. An execution report is output.
Inforeorg


Additional Features

  • InfoReorg creates data compression dictionaries during reorganization
  • InfoReorg adjusts the number of free pages around the update hot spots in the Tables and/or Indexes
  • InfoReorg allows dynamic allocation of the primary and secondary quantities required by DB2 objects.

© Infotel 2008. Last update January 2, 2008
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