[YUNIKORN-326] Add rest API to retrieve cluster nodes resource utilization

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.10
• Component/s: webapp
• Labels: pull-request-available
• Assignee: TingYao Huang
• Reporter: Weiwei Yang
• Created: 28/Jul/20 16:45
• Updated: 05/Sep/23 16:35
• Resolved: 06/Oct/20 13:36

Description

URL: ws/v1/nodes/utilization

returns the nodes resource utilization summary, a distribution based on usage:

{
  type: "CPU",
  utilization: [ {
      bucketID: "1",
      bucketName: "0-10%",
      numOfNodes: 5,
      nodeNames: [...]
    }, {
      bucketID: "2",
      bucketName: "10-20%",
      numOfNodes: 5,
      nodeNames: [...]
    },
    ...
  ]
},
{
  type: "Memory",
  utilization: [ {
      bucketID: "1",
      bucketName: "0-10%",
      numOfNodes: 5,
      nodeNames: [...]
    }, {
      bucketID: "2",
      bucketName: "10-20%",
      numOfNodes: 5,
      nodeNames: [...]
    },
    ...
  ]
},

Issue Links

• is related to: YUNIKORN-417 Add "nodes" REST API to fetch list of nodes
• is related to: YUNIKORN-413 [Umbrella] Re-designing Yunikorn REST API's version 1
• links to: GitHub Pull Request #205