是什么导致 Docker/Node 在负载下出现 ESOCKETTIMEDOUT 或 ECONNREFUSED 错误？

Question

我们在 docker 上运行的 Node API 在负载下遇到 ESOCKETTIMEDOUT 或 ECONNREFUSED 错误。当我们从节点 API 调用 .NET API 时会发生这种情况。

{   [-] 
         _anonFuncCount:     3  
         _body:  {"events":[{"serviceCategoryCode":{"codeValue":"core"},"eventNameCode":{"codeValue":"clock.punch","shortName":"Clock Punch"},"data":{"eventContext":{"associateOID":"","workAssignmentId":""},"transform":{"clockEntry":{"deviceDateTime":"2017-12-10T18:21:46-04:00","entryDateTime":"2017-12-10T18:21:46-04:00","actionCode":{"codeValue":"clockout","shortName":"clockout"},"laborAllocations":[]}}}}]} 
         _cacheURL:  /api/offlinePunch  
         _clen:  424    
         _consuming:     true   
         _contentType:   application/json   
         _currentHandler:    handler-2  
         _currentRoute:  postapiofflinepunch100 
         _dtraceId:  5276   
         _dumped:    false  
         _events:   {   [+] 
        }   
         _eventsCount:   4  
         _matchedVersion:    1.0.0  
         _negotiator:   {   [+] 
        }   
         _parsedBody:    true   
         _readBody:  true   
         _readableState:    {   [+] 
        }   
         _time:  1512958462607  
         _timerMap: {   [+] 
        }   
         _url:  {   [+] 
        }   
         _version:   \x7e1  
         body:  {   [+] 
        }   
         client:     ~socket    
         complete:   true   
         connection:     ~socket    
         context:    ~params    
         domain:     null   
         headers:   {   [+] 
        }   
         httpVersion:    1.1    
         httpVersionMajor:   1  
         httpVersionMinor:   1  
         log:    ~socket~_httpMessage~log   
         method:     POST   
         params:    {   [+] 
        }   
         query: {   [+] 
        }   
         rawBody:    {"events":[{"serviceCategoryCode":{"codeValue":"core"},"eventNameCode":{"codeValue":"clock.punch","shortName":"Clock Punch"},"data":{"eventContext":{"associateOID":"","workAssignmentId":""},"transform":{"clockEntry":{"deviceDateTime":"2017-12-10T18:21:46-04:00","entryDateTime":"2017-12-10T18:21:46-04:00","actionCode":{"codeValue":"clockout","shortName":"clockout"},"laborAllocations":[]}}}}]} 
         rawHeaders:    [   [+] 
        ]   
         rawTrailers:   [   [+] 
        ]   
         readable:   false  
         route: {   [+] 
        }   
         serverName:     time-clocking-api  
         socket:    {   [+] 
        }   
         statusCode:     null   
         statusMessage:  null   
         timers:    [   [+] 
        ]   
         trailers:  {   [+] 
        }   
         upgrade:    false  
         url:    /api/offlinePunch  
         uuid:   f008be5d-ee11-4e1e-8ae4-afa47dc5e587   
    }   

Answer 1

这很可能是由于同一问题here。此外，here 很好地解释了节点中发生的事情。您可能需要在 Docker 容器中设置 UV_THREADPOOL_SIZE。