ambari/ambari-web/app/assets/data/hosts/background_operations/logs/task2.json

{
  "taskId": 2,
  "stageId": 3,
  "hostname": "a.b.c.com",
  "role": "DATANODE",
  "command": "START",
  "status": "PENDING",
  "exitcode": "exitcode",
  "stderror": "stderror",
  "stdout": "stdout",
  "startTime": "",
  "attemptCount": 8
}