},
          "message": {
            "default": "",
            "description": "message is a human readable message indicating details about the transition. This may be an empty string.",
            "type": "string"
          },
          "observedGeneration": {

          },
          "message": {
            "default": "",
            "description": "message is a human readable message indicating details about the transition. This may be an empty string.",
            "type": "string"
          },
          "observedGeneration": {

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},{"datasource":{"type":"datasource","uid":"-- Mixed --"},"description":"Number of push errors. Many of these are at least potentional fatal and should be explored in-depth via Istiod logs.\nNote: metrics here do not use rate() to avoid missing transition from \"No series\"; series are not reported if there are no errors at all.\n","fieldConfig":{"defaults":{"custom":{"fillOpacity":10,"gradientMode":"hue","showPoints":"never"}}},"gridPos":{"h":10,"w":8,"x":0,"y":14},"id":12,"interval":"5s","opti...

	// after each request completes, regardless of whether it failed.
	// If these are too high, OS X exhausts its ephemeral ports
	// and hangs waiting for them to transition TCP states. That's
	// not what we want to test. TODO(bradfitz): use an io.Pipe
	// dialer for this test instead?
	const (
		numClients    = 20
		reqsPerClient = 25
	)
	var wg sync.WaitGroup

	// and exclusively during close.
	closemu sync.RWMutex

	// dc is owned until close, at which point
	// it's returned to the connection pool.
	dc *driverConn

	// done transitions from false to true exactly once, on close.
	// Once done, all operations fail with ErrConnDone.
	done atomic.Bool

	releaseConnOnce sync.Once
	// releaseConnCache is a cache of c.closemuRUnlockCondReleaseConn

_t":1236205616,"mean_t":1232842200}],"cl_weight":0.0015373631593540713,"touches":2,"min_t":1229478785,"max_t":1236205616,"mean_t":1232842200},{"name":"transitions","kids":[{"name":"transition-drt-api-expected.png","kids":[],"cl_weight":0.00012874983906270118,"touches":1,"min_t":1236205616,"max_t":1236205616,"mean_t":1236205616},{"name":"transition-drt-api-expected.checksum","kids":[],"cl_weight":0.00012874983906270118,"touches":1,"min_t":1236205616,"max_t":1236205616,"mean_t":1236205616}],"cl_we...

            "format": "int32",
            "type": "integer"
          },
          "leaseTransitions": {
            "description": "leaseTransitions is the number of transitions of a lease between holders.",
            "format": "int32",
            "type": "integer"
          },
          "renewTime": {
            "allOf": [
              {