```
┌───────────────now()─┬─event────────────────┬────────────────value─┐
│ 2022-10-28 08:09:26 │ UserTimeMicroseconds │ 13760641375459361349 │
│ 2022-10-28 08:11:57 │ UserTimeMicroseconds │ 17081055181340065261 │
│ 2022-10-28 08:13:31 │ UserTimeMicroseconds │  2803275110436731712 │
│ 2022-10-28 08:14:19 │ UserTimeMicroseconds │  4039206916108154442 │
│ 2022-10-28 08:15:49 │ UserTimeMicroseconds │  5422712665390374116 │
└─────────────────────┴──────────────────────┴──────────────────────┘
```

It can not grow so fast. 

```
SELECT formatReadableTimeDelta((17081055181340065261 - 13760641375459361349) / 1000000)

Query id: 7bbb071d-6204-413d-ba7a-222c89aca743

┌─formatReadableTimeDelta(divide(minus(17081055181340065261, 13760641375459361349), 1000000))─┐
│ 105289 years, 7 months, 16 days, 20 hours and 18 minutes                                    │
└─────────────────────────────────────────────────────────────────────────────────────────────┘
```
{
public:
    
    const UInt64 thread_id = 0;
    
    Int32 os_thread_priority = 0;
    
    ProfileEvents::Counters performance_counters{VariableContext::Thread};
    MemoryTracker memory_tracker{VariableContext::Thread};
    
    Int64 untracked_memory = 0;
    
    Int64 untracked_memory_limit = 4 * 1024 * 1024;
    
    Progress progress_in;
    Progress progress_out;
    using Deleter = std::function<void()>;
    Deleter deleter;
protected:
    ThreadGroupStatusPtr thread_group;
    std::atomic<int> thread_state{ThreadState::DetachedFromQuery};
    
    ContextWeakPtr global_context;
    
    ContextWeakPtr query_context;
    String query_id;
    
    InternalTextLogsQueueWeakPtr logs_queue_ptr;
    InternalProfileEventsQueueWeakPtr profile_queue_ptr;
    bool performance_counters_finalized = false;