VisualAge Generator to Enterprise Generation Language Migration Guide
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:
- Shut down VisualAge Generator.
- See Saving your workspace if you want to keep a backup copy of your existing workspace to
use after migration has completed.
- 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
- Delete the features.sav and
projects.sav files.
- Restart VisualAge Generator.
- Add the VisualAge Generator features that you need.
- Add the "IBM VisualAge Generator EGL Migration" feature.
- 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:
- There is a stable set of project versions to migrate. This is
particularly important if you use the Version Number preference to control
what is to be migrated.
- You can compare the versions in the new migration repository against your
maintenance repository to determine what additional project versions still
need to be migrated.
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