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on
05-31-2018
02:38 PM
- edited on
06-14-2018
07:14 PM
by
Michael.Perlste
Question
Why do I need to run the eum-schema
update after importing the MySQL eum_db
dump from the Controller MySQL to the EUM MySQL database?
Answer
Starting 4.4, EUM has its own MySQL database in production mode deployment. If we are upgrading from a lower version to 4.4.x, we need to take a dump from the Controller MySQL for the eum_db
schema and import the dump in the EUM server's MySQL database. In 4.4.x, the schema of the EUM server has additional changes from its previous version, which are required for the EUM processor to function. When we are importing the schema level dump, it drops the current eum_db
schema in the EUM database and then restores the older version of the schema from dump. To bring it back to a compatible state for the 4.4.x version, we need to update the schema using the eum-schema update
command.