https://clickhouse-test-reports.s3.yandex.net/18817/9049599e367bcccd809f45af138452f965b3303a/stress_test_(undefined)/test_run.txt.out.log
{
    
    
    
    
    union
    {
        char bytes[16];
        struct
        {
            UInt64 a;
            UInt64 b;
        } words;
        __uint128_t uuid;
    } random;
    random.words.a = thread_local_rng(); 
    random.words.b = thread_local_rng(); 
    if (client_info.client_trace_context.trace_id != 0)
    {
        
        
        query_trace_context = client_info.client_trace_context;
        query_trace_context.span_id = thread_local_rng();
    }
    else if (client_info.query_kind == ClientInfo::QueryKind::INITIAL_QUERY)
    {
        
        
        std::bernoulli_distribution should_start_trace{
            settings.opentelemetry_start_trace_probability};