Red Hat Satellite upgrade to version 6.10 from version 6.9 fails with the following error message - ForemanTasks::TaskError: Task <task_id>: Katello::Errors::Pulp3Error: Sort exceeded memory limit of 104857600 bytes

Issue

• Having many docker_blobs, pulp2to3 migration fails with:

  Processing Pulp2 repositories, importers, distributors 3253/3283
  Pre-migrating Pulp 2 docker_blob content 10000/25670
  Initial Migration steps complete. Migration failed, You will want to investigate: https://satellite.example.com/foreman_tasks/tasks/fd24355e-9fea-4aab-8a49-4751e9dfb9ab rake aborted!
  ForemanTasks::TaskError: Task fd24355e-9fea-4aab-8a49-4751e9dfb9ab: Katello::Errors::Pulp3Error: Sort exceeded memory limit of 104857600 bytes