Check Details
The storage space of the target database must be at least 1.2 times the size of the tables to be migrated in the source database.
Full data migration will execute INSERT operations concurrently, generating data fragments in some tables of the target database. Therefore, after full migration is completed, the storage space of the tables in the target database may be larger than that in the source instance.
Troubleshooting
Delete some data from the target database to free up sufficient space.
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