```
┌───────────────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:
    struct ProfileEventsCountersAndMemory
    {
        ProfileEvents::Counters::Snapshot counters;
        Int64 memory_usage;
        UInt64 thread_id;
    };
    mutable std::mutex mutex;
    ProfileEvents::Counters performance_counters{VariableContext::Process};
    MemoryTracker memory_tracker{VariableContext::Process};
    ContextWeakPtr query_context;
    ContextWeakPtr global_context;
    InternalTextLogsQueueWeakPtr logs_queue_ptr;
    InternalProfileEventsQueueWeakPtr profile_queue_ptr;
    std::function<void()> fatal_error_callback;
    std::unordered_set<UInt64> thread_ids;
    std::unordered_set<ThreadStatusPtr> threads;