fn debug_sanity_check(
ensembles: &[NoShuffleEnsemble],
fragment_map: &HashMap<FragmentId, Model>,
jobs: &HashMap<JobId, Model>,
)fn debug_sanity_check(
ensembles: &[NoShuffleEnsemble],
fragment_map: &HashMap<FragmentId, Model>,
jobs: &HashMap<JobId, Model>,
)