When I queried `system.metrics` table, I found some negative values which hint to some potential internal overflows.

```
SELECT *
FROM system.metrics
FORMAT Vertical

...

Row 31:
───────
metric:      MemoryTrackingInBackgroundProcessingPool
value:       -580863171
description: Total amount of memory (bytes) allocated in background processing pool (that is dedicated for backround merges, mutations and fetches). Note that this value may include a drift when the memory was allocated in a context of background processing pool and freed in other context or vice-versa. This happens naturally due to caches for tables indexes and doesn't indicate memory leaks.

Row 32:
───────
metric:      MemoryTrackingInBackgroundMoveProcessingPool
value:       0
description: Total amount of memory (bytes) allocated in background processing pool (that is dedicated for backround moves). Note that this value may include a drift when the memory was allocated in a context of background processing pool and freed in other context or vice-versa. This happens naturally due to caches for tables indexes and doesn't indicate memory leaks.

Row 33:
───────
metric:      MemoryTrackingInBackgroundSchedulePool
value:       -4461308831
description: Total amount of memory (bytes) allocated in background schedule pool (that is dedicated for bookkeeping tasks of Replicated tables).

...

56 rows in set. Elapsed: 0.003 sec.
```

Server version: 20.8.2.3.
{
        if (shutdown_called)
            return;
        shutdown_called = true;
        /**  After system_logs have been shut down it is guaranteed that no system table gets created or written to.
          *  Note that part changes at shutdown won't be logged to part log.
          */
        if (system_logs)
            system_logs->shutdown();
        TemporaryLiveViewCleaner::shutdown();
        DatabaseCatalog::shutdown();
        
        
        system_logs.reset();
        embedded_dictionaries.reset();
        external_dictionaries_loader.reset();
        external_models_loader.reset();
        buffer_flush_schedule_pool.reset();
        background_pool.reset();
        background_move_pool.reset();
        schedule_pool.reset();
        distributed_schedule_pool.reset();
        ddl_worker.reset();
        message_broker_schedule_pool.reset();
        
        trace_collector.reset();
    }
    bool hasTraceCollector() const