Preprocessed traces: https://pastila.nl/?0006a09d/f3f1725be8a2ec8787b2d5c8b1eb6532
Report: https://s3.amazonaws.com/clickhouse-test-reports/40506/f2be18b3a644debbb882b8a9e8396b0375461b36/stress_test__undefined_.html
{
        picked_tracker = nullptr;
        cancellation_state = QueryCancellationState::NONE;
        freed_memory = 0;
        next_id = 0;
        id_to_release = 0;
        allow_release = true;
    }
    void releaseThreads();
    QueryCancellationState cancellation_state;
    
    
    
    
    
    std::mutex & global_mutex;
    Int64 freed_memory;
    Int64 required_memory;
    size_t next_id; 
    size_t id_to_release; 
    bool allow_release;
};
namespace DB
{
    class ProcessList;