"format": "time_series",
          "hide": false,
          "intervalFactor": 1,
          "legendFormat": "P99",
          "refId": "C"
        }
      ],
      "title": "Request Duration",
      "type": "timeseries"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${datasource}"

          "format": "time_series",
          "hide": false,
          "intervalFactor": 1,
          "legendFormat": "P99",
          "refId": "C"
        }
      ],
      "title": "Client Request Duration",
      "type": "timeseries"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${datasource}"

          "format": "time_series",
          "hide": true,
          "intervalFactor": 2,
          "legendFormat": "heap alloc",
          "refId": "D"
        },
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${datasource}"
          },
          "expr": "go_memstats_alloc_bytes{app=\"istiod\"}",
          "format": "time_series",

          "format": "time_series",
          "hide": false,
          "instant": false,
          "interval": "",
          "intervalFactor": 1,
          "legendFormat": "{{server}}",
          "metric": "process_start_time_seconds",
          "refId": "A",
          "step": 60
        }
      ],
      "title": "Open FDs ",
      "type": "timeseries"
    },
    {
      "datasource": {

          },
          "editorMode": "code",
          "exemplar": false,
          "expr": "max(minio_node_drive_online_total{job=~\"$scrape_jobs\",server=\"$server\"})",
          "format": "time_series",
          "hide": false,
          "instant": true,
          "interval": "",
          "intervalFactor": 1,
          "legendFormat": ".",
          "metric": "process_start_time_seconds",

          "expr": "sum(container_memory_working_set_bytes{container=\"istio-proxy\"})",
          "format": "time_series",
          "hide": false,
          "intervalFactor": 2,
          "legendFormat": "Total (k8s)",
          "refId": "A",
          "step": 2
        }
      ],
      "title": "Memory",
      "type": "timeseries"
    },
    {
      "datasource": {
        "type": "prometheus",

          },
          "editorMode": "code",
          "exemplar": true,
          "expr": "sum by (bucket,range) (minio_bucket_objects_size_distribution{job=\"$scrape_jobs\"})",
          "format": "time_series",
          "instant": false,
          "interval": "",
          "intervalFactor": 1,
          "legendFormat": "{{bucket,range}}",
          "refId": "A",
          "step": 300
        }
      ],

local overrideSeries = function(series, override)
  g.panel.timeSeries.fieldOverride.byName.new(series)
  + g.panel.timeSeries.fieldOverride.byName.withProperty(
    'displayName',
    override
  );

{
  timeSeries: {
    local timeSeries = g.panel.timeSeries,
    local stat = g.panel.stat,
    local fieldOverride = g.panel.timeSeries.fieldOverride,
    local custom = timeSeries.fieldConfig.defaults.custom,

               "expr": "sum by (tag) (istio_build{component=\"ztunnel\"})",
               "legendFormat": "Version ({{tag}})"
            }
         ],
         "title": "Ztunnel Versions",
         "type": "timeseries"
      },
      {
         "datasource": {
            "type": "datasource",
            "uid": "-- Mixed --"
         },
         "description": "Memory usage of each running instance",

    + row.withPanels([
      panels.timeSeries.simple('Pilot Versions', queries.istioBuild, 'Version number of each running instance'),
    ]),
  ], panelHeight=5)
  + grid.makeGrid([
    row.new('Resource Usage')
    + row.withPanels([
      panels.timeSeries.bytes('Memory Usage', queries.goMemoryUsage, 'Memory usage of each running instance'),