Method GetHostIdCount

library/cpp/par/par_mr.cpp:59–61

            return false;
        }
        int GetHostIdCount() override {
            return AllJobs->HostId2Computer.ysize();
        }
        EDataDistrState UpdateDataDistrState(TVector<TVector<int>>* hostId2Computer) override {
            // this is remote context and it knows nothing about data distribution in progress
            if (hostId2Computer)