Method MakeHostIdMapping

library/cpp/par/par_master.cpp:241–252

    }

    TVector<int> TMaster::MakeHostIdMapping(int groupCount) {
        int hostCount = GetSlaveCount();
        if (QueryProc.Get() == nullptr)
            hostCount = groupCount;
        Y_ABORT_UNLESS(groupCount <= hostCount, "enough hosts to represent all groups");
        TVector<int> res;
        res.resize(hostCount);
        for (int i = 0; i < hostCount; ++i)
            res[i] = i % groupCount;
        Shuffle(res.begin(), res.end());
        return res;
    }

    int TMaster::GetSlaveCount() {
        return ContextMaster->GetSlaveCount();