Node List

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Note

If the data for specific columns does not appear, your Kubernetes node agent may be outdated. In this case, update the Kubernetes agent to the 1.3.7 or later so that enough data can be collected.

You can check the node information of the current project in a list.

• Real-time data is updated every 10 seconds.

• It provides the functions for node status summary, comparison, filtering, and CSV file download.

  CSV file name, kubernetes_node_list_{pcode}_{timestamp}.csv

Basic screen guide

By selecting desired options in the area, you can view the data in .

• On the upper left of the area, you can see the total node count and the node counts for each status.

• When you select → View previous version on the right of the area, you can check the node list before reorganization.

• When selecting a desired column in the area, you can sort the nodes based on the corresponding column.

• When selecting the Detail icon under the OnodeName column in the area, the corresponding node details page appears.

  Note

  For more information about Node details, see the following.

Metric information

• If you place your mouse cursor over the desired column, the metrics provided by the column are shown as follows:

  

• In the column list of the Select Column option, you can see the metrics for each column in the column list of the option screen. When you place the mouse cursor over a desired column, the INFO icon appears to the right of the column name. If the mouse cursor is placed over the INFO icon, you can see the metric as follows:

  

Filtering

By using the Filtter option, you can select a desired Node list for view. Through the and condition, multiple filters can be applied.

1. If you select Add icon in the Filter field, the Add filter window appears as follows:

   

   • Select Filter Key and Condition.

   • Select a value that meets the conditions.

2. Configure a filter and then select Apply to apply the filter.

3. To add multiple filters, select Add icon in the Filter field or Add filter window.

Comparing

By using the Compare option, you can see the comparison chart for key metrics of multiple nodes.

1. If you select the Compare option, the comparison column is added in the node list.

2. Through the comparison column on the left of the node list, select a node to compare.

   • You can select up to 10 node.

   • Selected nodes are given different colors.

3. You can see the comparison chart for the selected nodes in the area.

   • You can see the nodes selected in the comparison column at the top of the area.

   • By dragging the top of , you can adjust the height of the comparison chart area.

4. If you select Check period, the comparison chart appears withing the period to view as follows:

   

Select Column

When using the Select column option, you can select the desired Node data to view the list.

• The selected column list is kept even if you re-enter the menu.

• If you select Reset, the predefined default key metric columns are selected. In this case, the column selection history is deleted.

• You can select up to 29 columns.

• After selecting a column, you can click Apply at the lower right to apply the selected values.

Node details

The Node Details screen consists of four charts at the top and container details in the node.

• Top charts

  • CPU Usage: You can see the CPU usage of the node.

  • Memory Usage: You can see the memory usage of the node.

  • Network: You can see the input/output traffic and error packets of the node's network interface.

  • Disk Usage: You can see the disk usage of the node.

• Container Info

  Item	Description
  Status	Container status
  Container	Container ID
  Image	Container Image Info
  Command	Container execution command
  Application	Name of the WhaTap APM agent installed in the container
  Pod	Pod Name
  CpuByLimit	Container CPU utilization by limit
  MemoryWsByLimit	Container memory working set usage by limit
  CpuThrottledCnt	Container CPU Throttled Count
  CpuThrottledTime	Container CPU Throttled Time
  MemLimit	Container Memory Limit Size
  MemRequest	Container Memory Request Size
  MemWs	Container memory working set
  IoReadBytes	Sum of bytes read per second across all block devices in the container
  IoReadIops	Sum of counts read per second across all block devices in the container
  IoWriteBytes	Sum of bytes written per second across all block devices in the container
  IoWriteIops	Sum of counts written per second across all block devices in the container
  NetRxBytes	Sum of bytes read per second across all block devices in the container
  NetRxDropped	Container Network Receive Dropped Count
  NetRxError	Container Network Receive Error Count
  NetRxIops	Container Network Receive Error Count
  NetTxBytes	Container Network Transmit Data Size
  NetTxDropped	Container Network Transmit Dropped Count
  NetTxError	Container Network Transmit Error Count
  NetTxIops	Container Network Transmit Error Count