proxiedGetRequestsTotal             MetricName = "proxied_get_requests_total"
	proxiedHeadRequestsTotal            MetricName = "proxied_head_requests_total"
	proxiedPutTaggingRequestsTotal      MetricName = "proxied_put_tagging_requests_total"
	proxiedGetTaggingRequestsTotal      MetricName = "proxied_get_tagging_requests_total"
	proxiedDeleteTaggingRequestsTotal   MetricName = "proxied_delete_tagging_requests_total"

          "exemplar": true,
          "expr": "sum by (bucket,api) (increase(minio_bucket_requests_inflight_total{job=\"$scrape_jobs\"}[$__rate_interval]))",
          "interval": "1m",
          "intervalFactor": 2,
          "legendFormat": "{{bucket,api}}",
          "refId": "A"
        }
      ],
      "title": "Inflight Requests Rate",
      "type": "timeseries"
    },
    {
      "datasource": {

exponentialDelay: type: string fixedDelay: description: Add a fixed delay before forwarding the request. type: string percent: description: Percentage of requests on which the delay will be injected (0-100). format: int32 type: integer percentage: description: Percentage of requests on which the delay will be injected. properties: value: format: double type: number type: object type: object type: object headers: properties: request: properties: add: additionalProperties: type: string type: object remove: items:...

            "type": "prometheus",
            "uid": "${datasource}"
          },
          "editorMode": "code",
          "expr": "sum(irate(istio_requests_total{reporter=~\"$qrep\",destination_service=~\"$service\",response_code!~\"5.*\"}[5m])) / (sum(irate(istio_requests_total{reporter=~\"$qrep\",destination_service=~\"$service\"}[5m])) or on () vector(1))",
          "format": "time_series",
          "intervalFactor": 1,

          "datasource": {
            "type": "prometheus",
            "uid": "${datasource}"
          },
          "expr": "sum(irate(istio_requests_total{reporter=~\"$qrep\",destination_workload_namespace=~\"$namespace\",destination_workload=~\"$workload\",response_code!~\"5.*\"}[5m])) / sum(irate(istio_requests_total{reporter=~\"$qrep\",destination_workload_namespace=~\"$namespace\",destination_workload=~\"$workload\"}[5m]))",
          "format": "time_series",

        .cache(cache)
        .build()
    val request1 = Request(server.url("/"))
    client.newCall(request1).enqueue(callback)
    callback.await(request1.url).assertCode(200).assertBody("A")
    assertThat(server.takeRequest().headers["If-None-Match"]).isNull()
    val request2 = Request(server.url("/"))
    client.newCall(request2).enqueue(callback)
    callback.await(request2.url).assertCode(200).assertBody("A")

    // No authorization header for the first request...
    var request = server.takeRequest()
    assertThat(request.headers["Authorization"]).isNull()

    // ...but the three requests that follow requests include an authorization header.
    for (i in 0..2) {
      request = server.takeRequest()
      assertThat(request.requestLine).isEqualTo("GET / HTTP/1.1")
      assertThat(request.headers["Authorization"])

	"github.com/minio/minio/internal/s3select"
	"github.com/minio/mux"
	"github.com/minio/pkg/v2/policy"
	"github.com/valyala/bytebufferpool"
)

// supportedHeadGetReqParams - supported request parameters for GET and HEAD presigned request.
var supportedHeadGetReqParams = map[string]string{
	"response-expires":             xhttp.Expires,
	"response-content-type":        xhttp.ContentType,
	"response-cache-control":       xhttp.CacheControl,

		},
	}

	// string to represent V2 signed HTTP request.
	reqV2Str := "V2 Signed HTTP request"
	// string to represent V4 signed HTTP request.
	reqV4Str := "V4 Signed HTTP request"
	// Collection of HTTP request and ResponseRecorder and request type string.
	type inputReqRec struct {
		req     *http.Request
		rec     *httptest.ResponseRecorder
		reqType string
	}

- Kubeadm: make sure that a variety of API server requests are retried during "init", "join", "upgrade", "reset" workflows. Prior to this change some API server requests, such as, creating or updating ConfigMaps were "one-shot"...