VisualAge Generator to Enterprise Generation Language Migration Guide

Improving performance

Performance measurements have shown that the performance Stage 1 migration tool can be improved dramatically by starting with a clean workspace. In one series of tests, starting with a clean workspace reduced the time for Stage 1 to 25% - 30% of the time without a clean workspace. If your existing workspace is larger than 20 megabytes, starting with a clean workspace might help the Stage 1 tool performance.

To start with a clean workspace, do the following:

  1. Shut down VisualAge Generator.
  2. See Saving your workspace if you want to keep a backup copy of your existing workspace to use after migration has completed.
  3. Obtain a copy of a clean workspace (file name ide.icx) from the VisualAge Generator download site at:
    ftp://ftp.software.ibm.com/ps/products/visualagegen/fixes/v4.5/FixPack4/win
    
  4. Delete the features.sav and projects.sav files.
  5. Restart VisualAge Generator.
  6. Add the VisualAge Generator features that you need.
  7. Add the "IBM VisualAge Generator EGL Migration" feature.
  8. Shut down VisualAge Generator.

To reduce the time the Stage 1 migration tool spends analyzing which projects and versions to migrate, consider creating a repository that only contains the project versions that you want to migrate. If you have ongoing maintenance in VisualAge Generator while you are migrating, a separate migration repository also has the following advantages:


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