processFileDescriptorOpenTotal  = "file_descriptor_open_total"
	processSyscallReadTotal         = "syscall_read_total"
	processSyscallWriteTotal        = "syscall_write_total"
	processResidentMemoryBytes      = "resident_memory_bytes"
	processVirtualMemoryBytes       = "virtual_memory_bytes"
	processVirtualMemoryMaxBytes    = "virtual_memory_max_bytes"
)

var (

| `syscall_write_total`         | `counter` | Total write SysCalls to the kernel. /proc/[pid]/io syscw                                                       | `server` |
| `resident_memory_bytes`       | `gauge`   | Resident memory size in bytes                                                                                  | `server` |

          "datasource": {
            "type": "prometheus",
            "uid": "${datasource}"
          },
          "expr": "process_resident_memory_bytes{app=\"istiod\"}",
          "format": "time_series",
          "intervalFactor": 2,
          "legendFormat": "Resident Memory",
          "refId": "H",
          "step": 2
        },
        {
          "datasource": {
            "type": "prometheus",

| `minio_node_process_cpu_total_seconds`     | Total user and system CPU time spent in seconds.                                                                |
| `minio_node_process_resident_memory_bytes` | Resident memory size in bytes.                                                                                  |

                      description: The locality associated with the endpoint.
                      type: string
                    network:
                      description: Network enables Istio to group endpoints resident
                        in the same L3 domain/network.
                      type: string
                    ports:
                      additionalProperties:
                        type: integer

                      description: The locality associated with the endpoint.
                      type: string
                    network:
                      description: Network enables Istio to group endpoints resident
                        in the same L3 domain/network.
                      type: string
                    ports:
                      additionalProperties:
                        maximum: 4294967295

                "type": "prometheus",
                "uid": "${datasource}"
              },
              "expr": "process_resident_memory_bytes{app=\"istiod\"}",
              "format": "time_series",
              "intervalFactor": 2,
              "legendFormat": "Resident Memory",
              "refId": "H",
              "step": 2
            },
            {
              "datasource": {

	// So if the result length is larger than an empirically-found
	// limit (8KB), we stop growing the source string once the limit
	// is reached and keep reusing the same source string - that
	// should therefore be always resident in the L1 cache - until we
	// have completed the construction of the result.
	// This yields significant speedups (up to +100%) in cases where
	// the result length is large (roughly, over L2 cache size).

	ttlbDistribution    = "ttlb_seconds_distribution"

	lastActivityTime = "last_activity_nano_seconds"
	startTime        = "starttime_seconds"
	upTime           = "uptime_seconds"
	memory           = "resident_memory_bytes"
	vmemory          = "virtual_memory_bytes"
	cpu              = "cpu_total_seconds"

	expiryPendingTasks           MetricName = "expiry_pending_tasks"

"expr": "process_virtual_memory_bytes{app=\"istiod\"}", "format": "time_series", "instant": false, "intervalFactor": 2, "legendFormat": "Virtual Memory", "refId": "I", "step": 2 }, { "expr": "process_resident_memory_bytes{app=\"istiod\"}", "format": "time_series", "intervalFactor": 2, "legendFormat": "Resident Memory", "refId": "H", "step": 2 }, { "expr": "go_memstats_heap_sys_bytes{app=\"istiod\"}", "format": "time_series", "hide": true, "intervalFactor": 2, "legendFormat": "heap sys", "refId": "A" },...