message: crank up memory usage during radix sort now that the block size during merge sort is lower
diff: @@ -51,10 +51,10 @@ unique_ptr<GlobalOperatorState> PhysicalOrder::GetGlobalState(ClientContext &con
  // Set external (can be force with the PRAGMA)
  state->global_sort_state.external = context.force_external;
  // Memory usage per thread should scale with max mem / num threads
  - // We take 1/6th of this, to be conservative
  + // We take 1/5th of this, to be conservative
  idx_t max_memory = BufferManager::GetBufferManager(context).GetMaxMemory();
  idx_t num_threads = TaskScheduler::GetScheduler(context).NumberOfThreads();
  - state->memory_per_thread = (max_memory / num_threads) / 6;
  + state->memory_per_thread = (max_memory / num_threads) / 5;
  return move(state);
  }
  