And waits for them. That's pointless.
{
    const String & source_part_name = entry.source_parts.at(0);
    const auto storage_settings_ptr = getSettings();
    LOG_TRACE(log, "Executing log entry to mutate part {} to {}", source_part_name, entry.new_part_name);
    DataPartPtr source_part = getActiveContainingPart(source_part_name);
    if (!source_part)
    {