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시스템 상태 데이터를 보려면 다음을 수행해야 합니다.

1. 자가 진단 서비스의 웹 인터페이스로 이동합니다: 

To view the system status data, do the following:

1. Go to the web interface of the self-diagnostics service: http://127.0.0.1:20040/.
   

2. Select the required metric in the list 목록 (1) or enter the query in the Expression field에서 필요한 메트릭을 선택하거나 표현식 필드에 쿼리를 입력합니다.

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   title  Description of useful metrics
   Metric Description ALERTS_FOR_STATE Troubleshooting by the self-diagnostics service. Code Block title Example ALERTS_FOR_STATE{alertname="ipint_is_not_activated",ep_name="hosts/Server1/DeviceIpint.99",instance="127.0.0.1:20108",job="ngp_exporter",ngp_alert="true"} Possible values of the alertname parameter (see General information about the self-diagnostics service): low_os_memory — out of RAM; ipint_is_not_activated — camera is connected but does not send data; no_samples_in_detector — no events from a detection tool; restart_services_when_archive_source_not_activated — the archive is not working; restart_services_when_no_samples_in_archive — recording to archive with 0 FPS; restart_services_when_no_ping_from_detector_to_archive — no recording to the archive on detection tool triggering; logs_disk_space_is_low/db_disk_space_is_low — out of system disk space. ngp_archive_channel_fps The frame rate of all video cameras recording to archive. ngp_cpu_total_usage The percentage of CPU load on a Server. ngp_fps The frame rate of all Server video cameras, all detection tools and their decoders.

   The request allows for:

   요청은 다음을 허용합니다.

   1. 여러 메트릭 사용

   2. 식을 사용하여 문제를 찾습니다.  예를 들어, ngp_fps <17 과 같은 쿼리는 fps가 17보다 작은 모든 메트릭을 반환합니다. 논리 및 산술 연산자의 전체 목록은 the official Prometheus documentation에 나열되어 있습니다. 

   3. 매개변수로 필터링합니다. 예를 들어, 다음 같은 쿼리는

   4. Using multiple metrics.

   5. Using expressions to find problems. For example, a query like ngp_fps <17 will return all metrics, where FPS was less than 17. For a complete list of logical and arithmetic operators, see the official Prometheus documentation.  

   6. Filtering by any of the parameters. For example, a query like

      Code Block
      ngp_fps{ep_name=~"hosts/TEST/DeviceIpint.2/SourceEndpoint.video:0:0"}

      will return FPS values only for the specified source지정된 소스에 대해서만 FPS 값을 반환합니다.
      
      Examples of useful queries for Windows:
      The CPU loading graph similar to the Windows System monitor:

      Code Block
      sum by (process_id) (100 / scalar(wmi_cs_logical_processors) * (irate(wmi_process_cpu_time_total{process="AppHost"}[10m]))) or ngp_cpu_total_usage

      The graph of RAM usage by the AppHost processes and a total memory space:

      Code Block
      sum by (process_id) (avg_over_time(wmi_process_working_set{process="AppHost"}[5m])) / 1024 or avg_over_time(wmi_os_virtual_memory_bytes[5m]) / 1024

      The percentage of RAM usage:

      Code Block
      100.0 - 100 * avg_over_time(wmi_os_virtual_memory_free_bytes[5m]) / avg_over_time(wmi_os_virtual_memory_bytes[5m])

      Examples of useful queries for Linux:
      The graph of RAM usage by the AppHost processes and a total memory space in bytes:
      

      Code Block
      sum by (groupname) (namedprocess_namegroup_memory_bytes{memtype="resident"})

      The percentage of RAM usage:
      

      Code Block
      100 - node_memory_MemAvailable_bytes * 100 / node_memory_MemTotal_bytes

      The graph of the CPU load by the AppHost processes as a percentage:
      

      Code Block
      sum by (object_id) (rate(namedprocess_namegroup_cpu_seconds_total{groupname="AppHost"}[1m])) * 100

      The graph of the CPU load as a percentage:
      

      Code Block
      100 * avg without (cpu) (1 - rate(node_cpu_seconds_total{mode="idle"}[1m]))

      
      

3. Click the Execute button 실행 버튼(2).
   The Console tab will display all possible values of all elements at the time the query is completed.
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4. When you set a date and time in your calendar, the data will be updated.
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5. 을 클릭합니다.
   콘솔 탭은 요청이 완료될 때, 모든 항목의 가능한 모든 값을 발행합니다.
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6. 캘린더에서 날짜와 시간을 설정하면 데이터가 업데이트됩니다.
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7. 그래프를 작성하려면 그래프 탭으로 이동하십시오.
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   필드 1에서 그래프의 시간 슬롯을 설정하고 필드 2에서 끝점을 설정하고 필드 3에서 데이터 포인트 사이의 간격을 설정합니다. 차트를 채우려면 누적 (4) 체크박스를 선택합니다To build a graph, go to the Graph tab.
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   In the field 1, set the time interval of the graph. In the field 2, set its end point. In the filed 3, set the interval between the data points. To fill the chart, set the stacked (4) checkbox.