`total_memory_tracker.setOrRaiseHardLimit(...);` in `ConfigReloader` callback (see `Server.cpp`).
database_catalog.assertDatabaseExists(default_database);
    }
    catch (...)
    {
        tryLogCurrentException(log, "Caught exception while loading metadata");
        throw;
    }
    LOG_DEBUG(log, "Loaded metadata.");
    
    
    
    
    
    
    
    
    
    
    
    
    
#if USE_UNWIND && !WITH_COVERAGE && !defined(SANITIZER)
    
    if (hasPHDRCache())
    {
        global_context->initializeTraceCollector();
        
        UInt64 total_memory_profiler_step = config().getUInt64("total_memory_profiler_step", 0);
        if (total_memory_profiler_step)