anchor.diff:    ],
     "id": 61963,
     "title": "System Metrics"
  -}+}
  
positive.code:         "viz": "toplist",
          "requests": [
            {
              "q": "avg:bosh.healthmonitor.system.mem.percent{$job_z1,$deployment,$index} by {index,job} , avg:bosh.healthmonitor.system.mem.percent{$job_z2,$deployment,$index} by {index,job}"
            }
          ]
        },
  
negative.code:         "viz": "heatmap",
          "requests": [
            {
              "q": "(avg:bosh.healthmonitor.system.swap.kb{$job,$deployment,$index}by{index,job})*1024"
            }
          ]
        },
  