Doc Text:
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Cause:
In 4.0, dwh engine-setup plugin prompts the user to choose between 'Full' and 'Basic' scale. If dwh is on the same machine as the engine, it defaults to 'Basic'. In past 4.0 releases, it always asked this question on upgrade from 3.6.
Consequence:
If dwh was already set up in 3.6, and used the default configuration, which is equivalent to 4.0's 'Full', and the user didn't pay attention to this question and pressed Enter, configuration was changed to 'Basic', potentially removing most of the history data collected.
Fix:
Now this question is asked, and scale is configured, only if this is a new dwh database setup, and not if the database already exists, e.g. not if it is an upgrade.
Result:
On upgrade, this question is not asked, configuration is not changed, and history data is not removed.
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