Listing all parts in log have no sense. 
Should be either silenced, either combined into a single line.
const ActionsDAGPtr & sorting_key_prefix_expr,
    const Names & virt_columns,
    const Settings & settings,
    const MergeTreeReaderSettings & reader_settings,
    ActionsDAGPtr & out_projection,
    const String & query_id) const
{
    size_t sum_marks = 0;
    const InputOrderInfoPtr & input_order_info = query_info.input_order_info;
    size_t adaptive_parts = 0;
    std::vector<size_t> sum_marks_in_parts(parts.size());
    const auto data_settings = data.getSettings();
    for (size_t i = 0; i < parts.size(); ++i)
    {
        sum_marks_in_parts[i] = parts[i].getMarksCount();
        sum_marks += sum_marks_in_parts[i];
        if (parts[i].data_part->index_granularity_info.is_adaptive)
            ++adaptive_parts;
    }
    size_t index_granularity_bytes = 0;
    if (adaptive_parts > parts.size() / 2)
        index_granularity_bytes = data_settings->index_granularity_bytes;
    const size_t max_marks_to_use_cache = roundRowsOrBytesToMarks(
        settings.merge_tree_max_rows_to_use_cache,
        settings.merge_tree_max_bytes_to_use_cache,
        data_settings->index_granularity,
        index_granularity_bytes);
    const size_t min_marks_for_concurrent_read = minMarksForConcurrentRead(
        settings.merge_tree_min_rows_for_concurrent_read,
        settings.merge_tree_min_bytes_for_concurrent_read,