main.go

package main

import (
	"context"
	"io"
	"io/ioutil"
	"log"
	"net/http"
	"net/http/httptest"
	"sync"
	"time"
)

const (
	inflight      = 10
	totalRequests = 500
)

func handlerLongRunning(w http.ResponseWriter, r *http.Request) {
	for {
		select {
		case <-r.Context().Done():
			log.Printf("long running finished, err=%v", r.Context().Err())
			return
		default:
		}

		w.Write(make([]byte, 32*1024))
		w.(http.Flusher).Flush()
		time.Sleep(100 * time.Millisecond)
	}
}
func handlerGet(w http.ResponseWriter, r *http.Request) {
	// Just write 1M of zeros.
	w.Write(make([]byte, 1024*1024))
	w.(http.Flusher).Flush()
}

func dump(ctx context.Context, c *http.Client, url string) {
	log.Printf("starting url %s", url)
	start := time.Now()
	req, err := http.NewRequestWithContext(ctx, "GET", url, nil)
	if err != nil {
		log.Fatalf("failed to construct request: %v", err)
	}
	resp, err := c.Do(req)
	if err != nil {
		log.Fatalf("failed to get: %v", err)
	}
	defer resp.Body.Close()

	buf := make([]byte, 32*1024)
	for {
		n, err := resp.Body.Read(buf)
		if err == io.EOF {
			break
		}
		if err != nil {
			log.Printf("got err=%v", err)
			break
		}
		log.Printf("url=%v got %v", url, n)
	}
	log.Printf("finished url %s, took %v", url, time.Since(start))
}

func main() {
	mux := http.NewServeMux()
	mux.HandleFunc("/longrunning", handlerLongRunning)
	mux.HandleFunc("/get", handlerGet)
	ts := httptest.NewUnstartedServer(mux)
	ts.EnableHTTP2 = true
	// if err := http2.ConfigureServer(ts.Config, &http2.Server{
	// 	NewWriteScheduler: func() http2.WriteScheduler {
	// 		// return http2.NewRandomWriteScheduler()
	// 		return http2.NewPriorityWriteScheduler(nil)
	// 	},
	// }); err != nil {
	// 	log.Fatalf("failed ot configure server: %v", err)
	// }

	ts.StartTLS()
	defer ts.Close()

	ctx := context.Background()
	ctx, cancel := context.WithCancel(ctx)
	defer cancel()

	log.Printf("started url: %q", ts.URL)
	go dump(ctx, ts.Client(), ts.URL+"/longrunning")

	// Give the long running some time to start.
	time.Sleep(1 * time.Second)

	var wg sync.WaitGroup
	wg.Add(inflight)

	requests := make(chan int, totalRequests)
	for i := 0; i < totalRequests; i++ {
		requests <- i
	}
	close(requests)
	for i := 0; i < inflight; i++ {
		go func() {
			for {
				idx, ok := <-requests
				if !ok {
					break
				}

				func() {
					start := time.Now()
					resp, err := ts.Client().Get(ts.URL + "/get")
					if err != nil {
						log.Fatalf("[%d] Get err=%v", idx, err)
					}
					defer resp.Body.Close()
					written, err := io.Copy(ioutil.Discard, resp.Body)
					if err != nil {
						if err != nil {
							log.Fatalf("[%d] Copy err=%v", idx, err)
						}
					}
					log.Printf("attempt %d read %d bytes and took %v", idx, written, time.Since(start))
				}()
			}
			wg.Done()
		}()
	}
	wg.Wait()

	// Allow to deliver long running frames.
	time.Sleep(1 * time.Second)
}

output-go1.19.txt

➜  repro go version
go version go1.19 linux/amd64
➜  repro go run .
2023/03/01 11:45:48 started url: "https://127.0.0.1:36309"
2023/03/01 11:45:48 starting url https://127.0.0.1:36309/longrunning
2023/03/01 11:45:48 url=https://127.0.0.1:36309/longrunning got 32768
2023/03/01 11:45:48 url=https://127.0.0.1:36309/longrunning got 32768
2023/03/01 11:45:48 url=https://127.0.0.1:36309/longrunning got 16384
2023/03/01 11:45:48 url=https://127.0.0.1:36309/longrunning got 16384
2023/03/01 11:45:48 url=https://127.0.0.1:36309/longrunning got 32768
2023/03/01 11:45:48 url=https://127.0.0.1:36309/longrunning got 32768
2023/03/01 11:45:48 url=https://127.0.0.1:36309/longrunning got 16384
2023/03/01 11:45:48 url=https://127.0.0.1:36309/longrunning got 16384
2023/03/01 11:45:48 url=https://127.0.0.1:36309/longrunning got 16384
2023/03/01 11:45:48 url=https://127.0.0.1:36309/longrunning got 16384
2023/03/01 11:45:48 url=https://127.0.0.1:36309/longrunning got 32768
2023/03/01 11:45:48 url=https://127.0.0.1:36309/longrunning got 16384
2023/03/01 11:45:48 url=https://127.0.0.1:36309/longrunning got 16384
2023/03/01 11:45:49 url=https://127.0.0.1:36309/longrunning got 32768
2023/03/01 11:45:49 attempt 8 read 1048576 bytes and took 17.902166ms
2023/03/01 11:45:49 attempt 7 read 1048576 bytes and took 22.872985ms
2023/03/01 11:45:49 attempt 6 read 1048576 bytes and took 26.598374ms
2023/03/01 11:45:49 attempt 9 read 1048576 bytes and took 26.943214ms
2023/03/01 11:45:49 attempt 10 read 1048576 bytes and took 11.335177ms
2023/03/01 11:45:49 attempt 14 read 1048576 bytes and took 5.765658ms
2023/03/01 11:45:49 attempt 13 read 1048576 bytes and took 12.455707ms
2023/03/01 11:45:49 attempt 16 read 1048576 bytes and took 4.374139ms
2023/03/01 11:45:49 attempt 17 read 1048576 bytes and took 4.268169ms
2023/03/01 11:45:49 attempt 18 read 1048576 bytes and took 4.135589ms
2023/03/01 11:45:49 attempt 19 read 1048576 bytes and took 4.170889ms
2023/03/01 11:45:49 attempt 20 read 1048576 bytes and took 3.966669ms
2023/03/01 11:45:49 attempt 21 read 1048576 bytes and took 4.334659ms
2023/03/01 11:45:49 attempt 22 read 1048576 bytes and took 3.884969ms
2023/03/01 11:45:49 attempt 15 read 1048576 bytes and took 34.632892ms
2023/03/01 11:45:49 attempt 24 read 1048576 bytes and took 4.657239ms
2023/03/01 11:45:49 attempt 25 read 1048576 bytes and took 4.629539ms
2023/03/01 11:45:49 attempt 26 read 1048576 bytes and took 4.51679ms
2023/03/01 11:45:49 attempt 27 read 1048576 bytes and took 4.293088ms
2023/03/01 11:45:49 attempt 23 read 1048576 bytes and took 19.980005ms
2023/03/01 11:45:49 attempt 12 read 1048576 bytes and took 64.492945ms
2023/03/01 11:45:49 attempt 11 read 1048576 bytes and took 68.229124ms
2023/03/01 11:45:49 attempt 5 read 1048576 bytes and took 95.496068ms
2023/03/01 11:45:49 attempt 31 read 1048576 bytes and took 18.250876ms
2023/03/01 11:45:49 attempt 33 read 1048576 bytes and took 10.107137ms
2023/03/01 11:45:49 attempt 32 read 1048576 bytes and took 26.489404ms
2023/03/01 11:45:49 attempt 35 read 1048576 bytes and took 4.811489ms
2023/03/01 11:45:49 attempt 36 read 1048576 bytes and took 4.310839ms
2023/03/01 11:45:49 attempt 37 read 1048576 bytes and took 4.11405ms
2023/03/01 11:45:49 attempt 38 read 1048576 bytes and took 3.830959ms
2023/03/01 11:45:49 attempt 39 read 1048576 bytes and took 3.748819ms
2023/03/01 11:45:49 attempt 40 read 1048576 bytes and took 3.686459ms
2023/03/01 11:45:49 attempt 34 read 1048576 bytes and took 27.410154ms
2023/03/01 11:45:49 attempt 42 read 1048576 bytes and took 4.019959ms
2023/03/01 11:45:49 attempt 43 read 1048576 bytes and took 9.063068ms
2023/03/01 11:45:49 attempt 41 read 1048576 bytes and took 13.726447ms
2023/03/01 11:45:49 attempt 45 read 1048576 bytes and took 4.002029ms
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2023/03/01 11:45:49 attempt 51 read 1048576 bytes and took 3.864299ms
2023/03/01 11:45:49 attempt 44 read 1048576 bytes and took 28.810263ms
2023/03/01 11:45:49 attempt 30 read 1048576 bytes and took 98.578777ms
2023/03/01 11:45:49 attempt 54 read 1048576 bytes and took 4.529749ms
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2023/03/01 11:45:49 attempt 59 read 1048576 bytes and took 3.839629ms
2023/03/01 11:45:49 attempt 53 read 1048576 bytes and took 26.590394ms
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2023/03/01 11:45:49 attempt 60 read 1048576 bytes and took 25.433914ms
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2023/03/01 11:45:49 attempt 84 read 1048576 bytes and took 32.815692ms
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2023/03/01 11:45:49 attempt 98 read 1048576 bytes and took 4.057739ms
2023/03/01 11:45:49 attempt 99 read 1048576 bytes and took 3.909588ms
2023/03/01 11:45:49 attempt 100 read 1048576 bytes and took 3.82197ms
2023/03/01 11:45:49 attempt 101 read 1048576 bytes and took 3.577319ms
2023/03/01 11:45:49 attempt 102 read 1048576 bytes and took 4.613539ms
2023/03/01 11:45:49 attempt 97 read 1048576 bytes and took 21.482825ms
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2023/03/01 11:45:49 attempt 103 read 1048576 bytes and took 23.025495ms
2023/03/01 11:45:49 attempt 110 read 1048576 bytes and took 4.413168ms
2023/03/01 11:45:49 attempt 111 read 1048576 bytes and took 4.158319ms
2023/03/01 11:45:49 attempt 112 read 1048576 bytes and took 4.679019ms
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2023/03/01 11:45:49 attempt 114 read 1048576 bytes and took 4.051879ms
2023/03/01 11:45:49 attempt 115 read 1048576 bytes and took 3.80289ms
2023/03/01 11:45:49 attempt 109 read 1048576 bytes and took 25.797144ms
2023/03/01 11:45:49 attempt 52 read 1048576 bytes and took 234.204845ms
2023/03/01 11:45:49 attempt 118 read 1048576 bytes and took 4.369789ms
2023/03/01 11:45:49 attempt 119 read 1048576 bytes and took 3.909179ms
2023/03/01 11:45:49 attempt 120 read 1048576 bytes and took 3.47238ms
2023/03/01 11:45:49 attempt 121 read 1048576 bytes and took 4.003689ms
2023/03/01 11:45:49 attempt 122 read 1048576 bytes and took 3.621969ms
2023/03/01 11:45:49 attempt 123 read 1048576 bytes and took 3.728099ms
2023/03/01 11:45:49 attempt 124 read 1048576 bytes and took 3.906569ms
2023/03/01 11:45:49 attempt 117 read 1048576 bytes and took 31.881382ms
2023/03/01 11:45:49 attempt 125 read 1048576 bytes and took 3.896629ms
2023/03/01 11:45:49 attempt 127 read 1048576 bytes and took 5.644628ms
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2023/03/01 11:45:49 attempt 129 read 1048576 bytes and took 3.791158ms
2023/03/01 11:45:49 attempt 130 read 1048576 bytes and took 3.845119ms
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2023/03/01 11:45:49 attempt 133 read 1048576 bytes and took 3.829459ms
2023/03/01 11:45:49 attempt 126 read 1048576 bytes and took 29.964433ms
2023/03/01 11:45:49 attempt 135 read 1048576 bytes and took 3.824909ms
2023/03/01 11:45:49 attempt 136 read 1048576 bytes and took 3.730909ms
2023/03/01 11:45:49 attempt 137 read 1048576 bytes and took 5.691478ms
2023/03/01 11:45:49 attempt 138 read 1048576 bytes and took 4.07599ms
2023/03/01 11:45:49 attempt 139 read 1048576 bytes and took 4.049399ms
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2023/03/01 11:45:49 attempt 141 read 1048576 bytes and took 3.747399ms
2023/03/01 11:45:49 attempt 134 read 1048576 bytes and took 30.214163ms
2023/03/01 11:45:49 attempt 143 read 1048576 bytes and took 3.920299ms
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2023/03/01 11:45:49 attempt 145 read 1048576 bytes and took 3.784359ms
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2023/03/01 11:45:49 attempt 142 read 1048576 bytes and took 20.460975ms
2023/03/01 11:45:49 attempt 147 read 1048576 bytes and took 4.308649ms
2023/03/01 11:45:49 attempt 149 read 1048576 bytes and took 4.987429ms
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2023/03/01 11:45:49 attempt 155 read 1048576 bytes and took 3.633759ms
2023/03/01 11:45:49 attempt 148 read 1048576 bytes and took 29.388983ms
2023/03/01 11:45:49 attempt 157 read 1048576 bytes and took 3.809409ms
2023/03/01 11:45:49 attempt 158 read 1048576 bytes and took 4.894499ms
2023/03/01 11:45:49 attempt 159 read 1048576 bytes and took 3.920639ms
2023/03/01 11:45:49 attempt 160 read 1048576 bytes and took 3.772478ms
2023/03/01 11:45:49 attempt 161 read 1048576 bytes and took 4.0514ms
2023/03/01 11:45:49 attempt 162 read 1048576 bytes and took 4.33321ms
2023/03/01 11:45:49 attempt 156 read 1048576 bytes and took 25.730534ms
2023/03/01 11:45:49 attempt 164 read 1048576 bytes and took 3.774198ms
2023/03/01 11:45:49 attempt 165 read 1048576 bytes and took 4.047149ms
2023/03/01 11:45:49 attempt 166 read 1048576 bytes and took 4.038379ms
2023/03/01 11:45:49 attempt 167 read 1048576 bytes and took 4.056738ms
2023/03/01 11:45:49 attempt 163 read 1048576 bytes and took 16.972055ms
2023/03/01 11:45:49 attempt 169 read 1048576 bytes and took 4.591019ms
2023/03/01 11:45:49 attempt 170 read 1048576 bytes and took 3.914599ms
2023/03/01 11:45:49 attempt 171 read 1048576 bytes and took 3.97231ms
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2023/03/01 11:45:49 attempt 175 read 1048576 bytes and took 4.190988ms
2023/03/01 11:45:49 attempt 168 read 1048576 bytes and took 29.730984ms
2023/03/01 11:45:49 attempt 116 read 1048576 bytes and took 213.80919ms
2023/03/01 11:45:49 attempt 178 read 1048576 bytes and took 4.36448ms
2023/03/01 11:45:49 attempt 179 read 1048576 bytes and took 4.270409ms
2023/03/01 11:45:49 attempt 180 read 1048576 bytes and took 6.224068ms
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2023/03/01 11:45:49 attempt 177 read 1048576 bytes and took 23.886215ms
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2023/03/01 11:45:50 attempt 237 read 1048576 bytes and took 4.149579ms
2023/03/01 11:45:50 attempt 176 read 1048576 bytes and took 230.360676ms
2023/03/01 11:45:50 attempt 239 read 1048576 bytes and took 3.921079ms
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2023/03/01 11:45:50 attempt 231 read 1048576 bytes and took 51.251408ms
2023/03/01 11:45:50 attempt 238 read 1048576 bytes and took 26.098154ms
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2023/03/01 11:45:50 attempt 248 read 1048576 bytes and took 4.496939ms
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2023/03/01 11:45:50 attempt 250 read 1048576 bytes and took 4.467709ms
2023/03/01 11:45:50 attempt 246 read 1048576 bytes and took 18.506536ms
2023/03/01 11:45:50 attempt 252 read 1048576 bytes and took 5.247999ms
2023/03/01 11:45:50 attempt 253 read 1048576 bytes and took 4.202278ms
2023/03/01 11:45:50 attempt 254 read 1048576 bytes and took 4.495209ms
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2023/03/01 11:45:50 attempt 251 read 1048576 bytes and took 22.779174ms
2023/03/01 11:45:50 attempt 258 read 1048576 bytes and took 4.096729ms
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2023/03/01 11:45:50 attempt 266 read 1048576 bytes and took 34.134772ms
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2023/03/01 11:45:50 attempt 274 read 1048576 bytes and took 22.859664ms
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2023/03/01 11:45:50 attempt 280 read 1048576 bytes and took 26.504914ms
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2023/03/01 11:45:50 attempt 290 read 1048576 bytes and took 3.785028ms
2023/03/01 11:45:50 attempt 291 read 1048576 bytes and took 3.734799ms
2023/03/01 11:45:50 attempt 292 read 1048576 bytes and took 4.184569ms
2023/03/01 11:45:50 attempt 287 read 1048576 bytes and took 22.178866ms
2023/03/01 11:45:50 attempt 294 read 1048576 bytes and took 4.359419ms
2023/03/01 11:45:50 attempt 295 read 1048576 bytes and took 4.438769ms
2023/03/01 11:45:50 attempt 296 read 1048576 bytes and took 4.201679ms
2023/03/01 11:45:50 attempt 297 read 1048576 bytes and took 4.203999ms
2023/03/01 11:45:50 attempt 293 read 1048576 bytes and took 22.109464ms
2023/03/01 11:45:50 attempt 298 read 1048576 bytes and took 4.167799ms
2023/03/01 11:45:50 attempt 300 read 1048576 bytes and took 5.199339ms
2023/03/01 11:45:50 attempt 301 read 1048576 bytes and took 3.484579ms
2023/03/01 11:45:50 attempt 302 read 1048576 bytes and took 3.813749ms
2023/03/01 11:45:50 attempt 303 read 1048576 bytes and took 4.04219ms
2023/03/01 11:45:50 attempt 304 read 1048576 bytes and took 3.6829ms
2023/03/01 11:45:50 attempt 305 read 1048576 bytes and took 3.680439ms
2023/03/01 11:45:50 attempt 306 read 1048576 bytes and took 3.937539ms
2023/03/01 11:45:50 attempt 307 read 1048576 bytes and took 4.288349ms
2023/03/01 11:45:50 attempt 299 read 1048576 bytes and took 32.766273ms
2023/03/01 11:45:50 attempt 309 read 1048576 bytes and took 4.191769ms
2023/03/01 11:45:50 attempt 310 read 1048576 bytes and took 3.77343ms
2023/03/01 11:45:50 attempt 311 read 1048576 bytes and took 4.546969ms
2023/03/01 11:45:50 attempt 312 read 1048576 bytes and took 4.070779ms
2023/03/01 11:45:50 attempt 313 read 1048576 bytes and took 3.762219ms
2023/03/01 11:45:50 attempt 314 read 1048576 bytes and took 4.211769ms
2023/03/01 11:45:50 attempt 315 read 1048576 bytes and took 3.967229ms
2023/03/01 11:45:50 attempt 308 read 1048576 bytes and took 33.293782ms
2023/03/01 11:45:50 attempt 316 read 1048576 bytes and took 4.129069ms
2023/03/01 11:45:50 attempt 245 read 1048576 bytes and took 261.400459ms
2023/03/01 11:45:50 attempt 319 read 1048576 bytes and took 3.998359ms
2023/03/01 11:45:50 attempt 320 read 1048576 bytes and took 3.879889ms
2023/03/01 11:45:50 attempt 321 read 1048576 bytes and took 3.707369ms
2023/03/01 11:45:50 attempt 322 read 1048576 bytes and took 4.198359ms
2023/03/01 11:45:50 attempt 323 read 1048576 bytes and took 5.295119ms
2023/03/01 11:45:50 attempt 318 read 1048576 bytes and took 22.257285ms
2023/03/01 11:45:50 attempt 325 read 1048576 bytes and took 4.558329ms
2023/03/01 11:45:50 attempt 326 read 1048576 bytes and took 4.333359ms
2023/03/01 11:45:50 attempt 327 read 1048576 bytes and took 4.767039ms
2023/03/01 11:45:50 attempt 328 read 1048576 bytes and took 4.375859ms
2023/03/01 11:45:50 attempt 324 read 1048576 bytes and took 20.211005ms
2023/03/01 11:45:50 attempt 330 read 1048576 bytes and took 4.530879ms
2023/03/01 11:45:50 attempt 331 read 1048576 bytes and took 4.116709ms
2023/03/01 11:45:50 attempt 332 read 1048576 bytes and took 3.986599ms
2023/03/01 11:45:50 attempt 333 read 1048576 bytes and took 5.138559ms
2023/03/01 11:45:50 attempt 329 read 1048576 bytes and took 19.723106ms
2023/03/01 11:45:50 attempt 335 read 1048576 bytes and took 4.522719ms
2023/03/01 11:45:50 attempt 336 read 1048576 bytes and took 4.219929ms
2023/03/01 11:45:50 attempt 337 read 1048576 bytes and took 4.100299ms
2023/03/01 11:45:50 attempt 338 read 1048576 bytes and took 3.823619ms
2023/03/01 11:45:50 attempt 339 read 1048576 bytes and took 4.182869ms
2023/03/01 11:45:50 attempt 340 read 1048576 bytes and took 4.451199ms
2023/03/01 11:45:50 attempt 334 read 1048576 bytes and took 25.881494ms
2023/03/01 11:45:50 attempt 342 read 1048576 bytes and took 4.210399ms
2023/03/01 11:45:50 attempt 343 read 1048576 bytes and took 4.259719ms
2023/03/01 11:45:50 attempt 344 read 1048576 bytes and took 4.806819ms
2023/03/01 11:45:50 attempt 345 read 1048576 bytes and took 3.602019ms
2023/03/01 11:45:50 attempt 346 read 1048576 bytes and took 3.806069ms
2023/03/01 11:45:50 attempt 347 read 1048576 bytes and took 4.501589ms
2023/03/01 11:45:50 attempt 341 read 1048576 bytes and took 25.469314ms
2023/03/01 11:45:50 attempt 349 read 1048576 bytes and took 4.109949ms
2023/03/01 11:45:50 attempt 350 read 1048576 bytes and took 3.833089ms
2023/03/01 11:45:50 attempt 351 read 1048576 bytes and took 3.756619ms
2023/03/01 11:45:50 attempt 352 read 1048576 bytes and took 4.201549ms
2023/03/01 11:45:50 attempt 353 read 1048576 bytes and took 3.933909ms
2023/03/01 11:45:50 attempt 354 read 1048576 bytes and took 4.001509ms
2023/03/01 11:45:50 attempt 348 read 1048576 bytes and took 25.216844ms
2023/03/01 11:45:50 attempt 356 read 1048576 bytes and took 5.347629ms
2023/03/01 11:45:50 attempt 357 read 1048576 bytes and took 3.874289ms
2023/03/01 11:45:50 attempt 358 read 1048576 bytes and took 4.171439ms
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2023/03/01 11:45:50 attempt 360 read 1048576 bytes and took 4.636839ms
2023/03/01 11:45:50 attempt 361 read 1048576 bytes and took 4.433078ms
2023/03/01 11:45:50 attempt 355 read 1048576 bytes and took 28.239224ms
2023/03/01 11:45:50 attempt 363 read 1048576 bytes and took 4.003959ms
2023/03/01 11:45:50 attempt 364 read 1048576 bytes and took 4.273369ms
2023/03/01 11:45:50 attempt 365 read 1048576 bytes and took 4.190369ms
2023/03/01 11:45:50 attempt 366 read 1048576 bytes and took 4.677849ms
2023/03/01 11:45:50 attempt 367 read 1048576 bytes and took 5.566879ms
2023/03/01 11:45:50 attempt 362 read 1048576 bytes and took 27.289924ms
2023/03/01 11:45:50 attempt 368 read 1048576 bytes and took 4.107248ms
2023/03/01 11:45:50 attempt 317 read 1048576 bytes and took 192.233305ms
2023/03/01 11:45:50 attempt 371 read 1048576 bytes and took 3.523689ms
2023/03/01 11:45:50 attempt 372 read 1048576 bytes and took 3.820639ms
2023/03/01 11:45:50 attempt 373 read 1048576 bytes and took 3.990378ms
2023/03/01 11:45:50 attempt 374 read 1048576 bytes and took 4.12471ms
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2023/03/01 11:45:50 attempt 370 read 1048576 bytes and took 23.623264ms
2023/03/01 11:45:50 attempt 376 read 1048576 bytes and took 3.918269ms
2023/03/01 11:45:50 attempt 378 read 1048576 bytes and took 4.709079ms
2023/03/01 11:45:50 attempt 379 read 1048576 bytes and took 3.928679ms
2023/03/01 11:45:50 attempt 380 read 1048576 bytes and took 4.022179ms
2023/03/01 11:45:50 attempt 381 read 1048576 bytes and took 3.789709ms
2023/03/01 11:45:50 attempt 382 read 1048576 bytes and took 4.018969ms
2023/03/01 11:45:50 attempt 383 read 1048576 bytes and took 4.054409ms
2023/03/01 11:45:50 attempt 377 read 1048576 bytes and took 28.827403ms
2023/03/01 11:45:50 attempt 384 read 1048576 bytes and took 4.043779ms
2023/03/01 11:45:50 attempt 386 read 1048576 bytes and took 4.029799ms
2023/03/01 11:45:50 attempt 387 read 1048576 bytes and took 4.154769ms
2023/03/01 11:45:50 attempt 388 read 1048576 bytes and took 3.933549ms
2023/03/01 11:45:50 attempt 389 read 1048576 bytes and took 4.057329ms
2023/03/01 11:45:50 attempt 390 read 1048576 bytes and took 3.644559ms
2023/03/01 11:45:50 attempt 391 read 1048576 bytes and took 3.972269ms
2023/03/01 11:45:50 attempt 392 read 1048576 bytes and took 3.714399ms
2023/03/01 11:45:50 attempt 385 read 1048576 bytes and took 28.629133ms
2023/03/01 11:45:50 attempt 394 read 1048576 bytes and took 4.893969ms
2023/03/01 11:45:50 attempt 393 read 1048576 bytes and took 7.956739ms
2023/03/01 11:45:50 attempt 396 read 1048576 bytes and took 3.93069ms
2023/03/01 11:45:50 attempt 397 read 1048576 bytes and took 3.91127ms
2023/03/01 11:45:50 attempt 398 read 1048576 bytes and took 3.30838ms
2023/03/01 11:45:50 attempt 399 read 1048576 bytes and took 3.749539ms
2023/03/01 11:45:50 attempt 395 read 1048576 bytes and took 17.278816ms
2023/03/01 11:45:50 attempt 401 read 1048576 bytes and took 4.978909ms
2023/03/01 11:45:50 attempt 402 read 1048576 bytes and took 4.335439ms
2023/03/01 11:45:50 attempt 403 read 1048576 bytes and took 4.706068ms
2023/03/01 11:45:50 attempt 404 read 1048576 bytes and took 4.48199ms
2023/03/01 11:45:50 attempt 400 read 1048576 bytes and took 24.622834ms
2023/03/01 11:45:50 attempt 405 read 1048576 bytes and took 5.457669ms
2023/03/01 11:45:50 attempt 407 read 1048576 bytes and took 4.354739ms
2023/03/01 11:45:50 attempt 408 read 1048576 bytes and took 4.579989ms
2023/03/01 11:45:50 attempt 409 read 1048576 bytes and took 5.306629ms
2023/03/01 11:45:50 attempt 410 read 1048576 bytes and took 5.345868ms
2023/03/01 11:45:50 attempt 411 read 1048576 bytes and took 3.94473ms
2023/03/01 11:45:50 attempt 412 read 1048576 bytes and took 4.394559ms
2023/03/01 11:45:50 attempt 413 read 1048576 bytes and took 4.805409ms
2023/03/01 11:45:50 attempt 406 read 1048576 bytes and took 33.240072ms
2023/03/01 11:45:50 attempt 369 read 1048576 bytes and took 163.407402ms
2023/03/01 11:45:50 attempt 416 read 1048576 bytes and took 4.531489ms
2023/03/01 11:45:50 attempt 417 read 1048576 bytes and took 4.144ms
2023/03/01 11:45:50 attempt 418 read 1048576 bytes and took 4.894809ms
2023/03/01 11:45:50 attempt 419 read 1048576 bytes and took 4.135539ms
2023/03/01 11:45:50 attempt 420 read 1048576 bytes and took 4.498659ms
2023/03/01 11:45:50 attempt 421 read 1048576 bytes and took 4.507869ms
2023/03/01 11:45:50 attempt 422 read 1048576 bytes and took 3.980369ms
2023/03/01 11:45:50 attempt 415 read 1048576 bytes and took 31.748003ms
2023/03/01 11:45:50 attempt 424 read 1048576 bytes and took 3.808139ms
2023/03/01 11:45:50 attempt 425 read 1048576 bytes and took 4.162239ms
2023/03/01 11:45:50 attempt 426 read 1048576 bytes and took 3.776889ms
2023/03/01 11:45:50 attempt 427 read 1048576 bytes and took 4.177989ms
2023/03/01 11:45:50 attempt 428 read 1048576 bytes and took 4.037929ms
2023/03/01 11:45:50 attempt 423 read 1048576 bytes and took 21.013455ms
2023/03/01 11:45:50 attempt 430 read 1048576 bytes and took 5.201859ms
2023/03/01 11:45:50 attempt 431 read 1048576 bytes and took 3.866479ms
2023/03/01 11:45:50 attempt 432 read 1048576 bytes and took 3.839839ms
2023/03/01 11:45:50 attempt 433 read 1048576 bytes and took 3.988459ms
2023/03/01 11:45:50 attempt 434 read 1048576 bytes and took 4.150479ms
2023/03/01 11:45:50 attempt 435 read 1048576 bytes and took 4.382919ms
2023/03/01 11:45:50 attempt 429 read 1048576 bytes and took 26.498234ms
2023/03/01 11:45:50 attempt 437 read 1048576 bytes and took 4.190979ms
2023/03/01 11:45:50 attempt 438 read 1048576 bytes and took 4.335339ms
2023/03/01 11:45:50 attempt 439 read 1048576 bytes and took 4.024539ms
2023/03/01 11:45:50 attempt 440 read 1048576 bytes and took 5.530308ms
2023/03/01 11:45:50 attempt 441 read 1048576 bytes and took 5.013568ms
2023/03/01 11:45:50 attempt 436 read 1048576 bytes and took 24.134175ms
2023/03/01 11:45:50 attempt 443 read 1048576 bytes and took 4.740668ms
2023/03/01 11:45:50 attempt 444 read 1048576 bytes and took 4.388679ms
2023/03/01 11:45:50 attempt 445 read 1048576 bytes and took 4.540939ms
2023/03/01 11:45:50 attempt 446 read 1048576 bytes and took 4.982699ms
2023/03/01 11:45:50 attempt 442 read 1048576 bytes and took 19.897295ms
2023/03/01 11:45:50 attempt 448 read 1048576 bytes and took 4.906948ms
2023/03/01 11:45:50 attempt 449 read 1048576 bytes and took 4.47976ms
2023/03/01 11:45:50 attempt 450 read 1048576 bytes and took 4.067028ms
2023/03/01 11:45:50 attempt 451 read 1048576 bytes and took 4.131579ms
2023/03/01 11:45:50 attempt 447 read 1048576 bytes and took 18.877745ms
2023/03/01 11:45:50 attempt 453 read 1048576 bytes and took 4.08022ms
2023/03/01 11:45:50 attempt 454 read 1048576 bytes and took 4.021768ms
2023/03/01 11:45:50 attempt 455 read 1048576 bytes and took 3.65785ms
2023/03/01 11:45:50 attempt 456 read 1048576 bytes and took 4.150449ms
2023/03/01 11:45:50 attempt 457 read 1048576 bytes and took 4.313289ms
2023/03/01 11:45:50 attempt 458 read 1048576 bytes and took 4.219679ms
2023/03/01 11:45:50 attempt 452 read 1048576 bytes and took 24.990885ms
2023/03/01 11:45:50 attempt 460 read 1048576 bytes and took 4.15836ms
2023/03/01 11:45:50 attempt 461 read 1048576 bytes and took 4.372019ms
2023/03/01 11:45:50 attempt 462 read 1048576 bytes and took 4.814238ms
2023/03/01 11:45:50 attempt 463 read 1048576 bytes and took 4.061089ms
2023/03/01 11:45:50 attempt 464 read 1048576 bytes and took 3.966299ms
2023/03/01 11:45:50 attempt 465 read 1048576 bytes and took 4.781479ms
2023/03/01 11:45:50 attempt 459 read 1048576 bytes and took 27.153014ms
2023/03/01 11:45:50 attempt 467 read 1048576 bytes and took 4.521779ms
2023/03/01 11:45:50 attempt 468 read 1048576 bytes and took 4.714049ms
2023/03/01 11:45:50 attempt 469 read 1048576 bytes and took 5.158539ms
2023/03/01 11:45:50 attempt 470 read 1048576 bytes and took 5.612569ms
2023/03/01 11:45:50 attempt 471 read 1048576 bytes and took 4.906468ms
2023/03/01 11:45:50 attempt 466 read 1048576 bytes and took 25.390014ms
2023/03/01 11:45:50 attempt 473 read 1048576 bytes and took 5.563699ms
2023/03/01 11:45:50 attempt 474 read 1048576 bytes and took 5.031789ms
2023/03/01 11:45:50 attempt 475 read 1048576 bytes and took 4.218809ms
2023/03/01 11:45:50 attempt 476 read 1048576 bytes and took 4.086659ms
2023/03/01 11:45:50 attempt 477 read 1048576 bytes and took 4.130759ms
2023/03/01 11:45:50 attempt 478 read 1048576 bytes and took 4.387439ms
2023/03/01 11:45:50 attempt 479 read 1048576 bytes and took 4.283119ms
2023/03/01 11:45:50 attempt 472 read 1048576 bytes and took 35.899862ms
2023/03/01 11:45:50 attempt 480 read 1048576 bytes and took 4.004099ms
2023/03/01 11:45:50 attempt 414 read 1048576 bytes and took 254.2991ms
2023/03/01 11:45:50 attempt 483 read 1048576 bytes and took 4.372139ms
2023/03/01 11:45:50 attempt 484 read 1048576 bytes and took 5.070489ms
2023/03/01 11:45:50 attempt 485 read 1048576 bytes and took 3.982149ms
2023/03/01 11:45:50 attempt 486 read 1048576 bytes and took 3.764619ms
2023/03/01 11:45:50 attempt 487 read 1048576 bytes and took 4.676799ms
2023/03/01 11:45:50 attempt 488 read 1048576 bytes and took 3.831809ms
2023/03/01 11:45:50 attempt 482 read 1048576 bytes and took 29.911723ms
2023/03/01 11:45:50 attempt 489 read 1048576 bytes and took 3.923049ms
2023/03/01 11:45:50 attempt 491 read 1048576 bytes and took 4.002819ms
2023/03/01 11:45:50 attempt 492 read 1048576 bytes and took 3.730089ms
2023/03/01 11:45:50 attempt 493 read 1048576 bytes and took 3.62557ms
2023/03/01 11:45:50 attempt 494 read 1048576 bytes and took 3.72775ms
2023/03/01 11:45:50 attempt 495 read 1048576 bytes and took 4.754968ms
2023/03/01 11:45:50 attempt 496 read 1048576 bytes and took 5.981949ms
2023/03/01 11:45:50 attempt 490 read 1048576 bytes and took 26.562734ms
2023/03/01 11:45:50 attempt 498 read 1048576 bytes and took 4.553579ms
2023/03/01 11:45:50 attempt 499 read 1048576 bytes and took 4.700359ms
2023/03/01 11:45:51 attempt 497 read 1048576 bytes and took 12.843107ms
2023/03/01 11:45:51 attempt 481 read 1048576 bytes and took 72.135853ms
2023/03/01 11:45:51 attempt 29 read 1048576 bytes and took 1.745917363s
2023/03/01 11:45:51 attempt 28 read 1048576 bytes and took 1.746867573s
2023/03/01 11:45:51 attempt 4 read 1048576 bytes and took 1.836109722s
2023/03/01 11:45:51 attempt 3 read 1048576 bytes and took 1.840002931s
2023/03/01 11:45:51 attempt 2 read 1048576 bytes and took 1.84399147s
2023/03/01 11:45:51 attempt 0 read 1048576 bytes and took 1.847731059s
2023/03/01 11:45:51 attempt 1 read 1048576 bytes and took 1.851389468s
2023/03/01 11:45:51 url=https://127.0.0.1:36309/longrunning got 16384
2023/03/01 11:45:51 url=https://127.0.0.1:36309/longrunning got 16384
2023/03/01 11:45:51 url=https://127.0.0.1:36309/longrunning got 32768
2023/03/01 11:45:51 url=https://127.0.0.1:36309/longrunning got 16384
2023/03/01 11:45:51 url=https://127.0.0.1:36309/longrunning got 16384
2023/03/01 11:45:51 url=https://127.0.0.1:36309/longrunning got 32768
2023/03/01 11:45:51 url=https://127.0.0.1:36309/longrunning got 32768
2023/03/01 11:45:51 url=https://127.0.0.1:36309/longrunning got 16384
2023/03/01 11:45:51 url=https://127.0.0.1:36309/longrunning got 16384
2023/03/01 11:45:51 url=https://127.0.0.1:36309/longrunning got 32768
2023/03/01 11:45:51 url=https://127.0.0.1:36309/longrunning got 16384
2023/03/01 11:45:51 url=https://127.0.0.1:36309/longrunning got 16384
2023/03/01 11:45:51 url=https://127.0.0.1:36309/longrunning got 32768
2023/03/01 11:45:51 url=https://127.0.0.1:36309/longrunning got 32768
2023/03/01 11:45:52 got err=context canceled
2023/03/01 11:45:52 finished url https://127.0.0.1:36309/longrunning, took 3.852533721s

output-go1.20.txt

➜  repro go1.20 version
go version go1.20 linux/amd64
➜  repro go1.20 run .
2023/03/01 11:51:01 started url: "https://127.0.0.1:35257"
2023/03/01 11:51:01 starting url https://127.0.0.1:35257/longrunning
2023/03/01 11:51:01 url=https://127.0.0.1:35257/longrunning got 16384
2023/03/01 11:51:01 url=https://127.0.0.1:35257/longrunning got 16384
2023/03/01 11:51:01 url=https://127.0.0.1:35257/longrunning got 32768
2023/03/01 11:51:01 url=https://127.0.0.1:35257/longrunning got 32768
2023/03/01 11:51:01 url=https://127.0.0.1:35257/longrunning got 32768
2023/03/01 11:51:01 url=https://127.0.0.1:35257/longrunning got 32768
2023/03/01 11:51:01 url=https://127.0.0.1:35257/longrunning got 32768
2023/03/01 11:51:02 url=https://127.0.0.1:35257/longrunning got 16384
2023/03/01 11:51:02 url=https://127.0.0.1:35257/longrunning got 16384
2023/03/01 11:51:02 url=https://127.0.0.1:35257/longrunning got 32768
2023/03/01 11:51:02 url=https://127.0.0.1:35257/longrunning got 16384
2023/03/01 11:51:02 url=https://127.0.0.1:35257/longrunning got 16384
2023/03/01 11:51:02 url=https://127.0.0.1:35257/longrunning got 32768
2023/03/01 11:51:02 attempt 9 read 1048576 bytes and took 8.885958ms
2023/03/01 11:51:02 attempt 10 read 1048576 bytes and took 4.04329ms
2023/03/01 11:51:02 attempt 11 read 1048576 bytes and took 4.505619ms
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2023/03/01 11:51:03 attempt 289 read 1048576 bytes and took 3.876839ms
2023/03/01 11:51:03 attempt 283 read 1048576 bytes and took 29.196165ms
2023/03/01 11:51:03 attempt 290 read 1048576 bytes and took 3.63501ms
2023/03/01 11:51:03 attempt 292 read 1048576 bytes and took 4.229069ms
2023/03/01 11:51:03 attempt 293 read 1048576 bytes and took 3.82586ms
2023/03/01 11:51:03 attempt 294 read 1048576 bytes and took 4.244099ms
2023/03/01 11:51:03 attempt 295 read 1048576 bytes and took 4.862749ms
2023/03/01 11:51:03 attempt 296 read 1048576 bytes and took 3.955999ms
2023/03/01 11:51:03 attempt 297 read 1048576 bytes and took 4.035109ms
2023/03/01 11:51:03 attempt 291 read 1048576 bytes and took 25.657734ms
2023/03/01 11:51:03 attempt 299 read 1048576 bytes and took 3.7591ms
2023/03/01 11:51:03 attempt 300 read 1048576 bytes and took 3.57943ms
2023/03/01 11:51:03 attempt 301 read 1048576 bytes and took 3.728709ms
2023/03/01 11:51:03 attempt 302 read 1048576 bytes and took 4.071559ms
2023/03/01 11:51:03 attempt 303 read 1048576 bytes and took 3.795469ms
2023/03/01 11:51:03 attempt 298 read 1048576 bytes and took 20.120606ms
2023/03/01 11:51:03 attempt 305 read 1048576 bytes and took 4.788429ms
2023/03/01 11:51:03 attempt 306 read 1048576 bytes and took 4.218349ms
2023/03/01 11:51:03 attempt 307 read 1048576 bytes and took 4.126529ms
2023/03/01 11:51:03 attempt 308 read 1048576 bytes and took 4.06273ms
2023/03/01 11:51:03 attempt 309 read 1048576 bytes and took 4.171159ms
2023/03/01 11:51:03 attempt 310 read 1048576 bytes and took 3.641898ms
2023/03/01 11:51:03 attempt 304 read 1048576 bytes and took 26.114524ms
2023/03/01 11:51:03 attempt 312 read 1048576 bytes and took 4.126829ms
2023/03/01 11:51:03 attempt 313 read 1048576 bytes and took 4.565249ms
2023/03/01 11:51:03 attempt 314 read 1048576 bytes and took 4.145639ms
2023/03/01 11:51:03 attempt 315 read 1048576 bytes and took 4.122739ms
2023/03/01 11:51:03 attempt 316 read 1048576 bytes and took 4.973789ms
2023/03/01 11:51:03 attempt 237 read 1048576 bytes and took 285.8718ms
2023/03/01 11:51:03 attempt 311 read 1048576 bytes and took 23.225456ms
2023/03/01 11:51:03 attempt 319 read 1048576 bytes and took 4.249749ms
2023/03/01 11:51:03 attempt 320 read 1048576 bytes and took 4.178749ms
2023/03/01 11:51:03 attempt 321 read 1048576 bytes and took 4.062929ms
2023/03/01 11:51:03 attempt 322 read 1048576 bytes and took 4.002719ms
2023/03/01 11:51:03 attempt 323 read 1048576 bytes and took 3.761489ms
2023/03/01 11:51:03 attempt 318 read 1048576 bytes and took 21.118365ms
2023/03/01 11:51:03 attempt 325 read 1048576 bytes and took 4.148569ms
2023/03/01 11:51:03 attempt 326 read 1048576 bytes and took 5.173608ms
2023/03/01 11:51:03 attempt 327 read 1048576 bytes and took 3.93138ms
2023/03/01 11:51:03 attempt 328 read 1048576 bytes and took 3.665849ms
2023/03/01 11:51:03 attempt 329 read 1048576 bytes and took 3.703139ms
2023/03/01 11:51:03 attempt 330 read 1048576 bytes and took 4.272929ms
2023/03/01 11:51:03 attempt 324 read 1048576 bytes and took 29.717514ms
2023/03/01 11:51:03 attempt 331 read 1048576 bytes and took 4.670629ms
2023/03/01 11:51:03 attempt 333 read 1048576 bytes and took 4.580499ms
2023/03/01 11:51:03 attempt 334 read 1048576 bytes and took 3.948559ms
2023/03/01 11:51:03 attempt 335 read 1048576 bytes and took 4.63811ms
2023/03/01 11:51:03 attempt 336 read 1048576 bytes and took 5.636258ms
2023/03/01 11:51:03 attempt 337 read 1048576 bytes and took 5.046329ms
2023/03/01 11:51:03 attempt 332 read 1048576 bytes and took 24.106915ms
2023/03/01 11:51:03 attempt 339 read 1048576 bytes and took 4.233469ms
2023/03/01 11:51:03 attempt 340 read 1048576 bytes and took 4.723589ms
2023/03/01 11:51:03 attempt 341 read 1048576 bytes and took 4.757099ms
2023/03/01 11:51:03 attempt 338 read 1048576 bytes and took 14.590497ms
2023/03/01 11:51:03 attempt 343 read 1048576 bytes and took 4.022129ms
2023/03/01 11:51:03 attempt 344 read 1048576 bytes and took 4.276589ms
2023/03/01 11:51:03 attempt 345 read 1048576 bytes and took 4.017719ms
2023/03/01 11:51:03 attempt 346 read 1048576 bytes and took 5.535039ms
2023/03/01 11:51:03 attempt 347 read 1048576 bytes and took 4.141859ms
2023/03/01 11:51:03 attempt 342 read 1048576 bytes and took 24.209115ms
2023/03/01 11:51:03 attempt 349 read 1048576 bytes and took 4.357289ms
2023/03/01 11:51:03 attempt 350 read 1048576 bytes and took 4.109569ms
2023/03/01 11:51:03 attempt 351 read 1048576 bytes and took 4.159909ms
2023/03/01 11:51:03 attempt 352 read 1048576 bytes and took 4.17203ms
2023/03/01 11:51:03 attempt 353 read 1048576 bytes and took 3.845939ms
2023/03/01 11:51:03 attempt 354 read 1048576 bytes and took 4.090309ms
2023/03/01 11:51:03 attempt 348 read 1048576 bytes and took 26.292144ms
2023/03/01 11:51:03 attempt 356 read 1048576 bytes and took 5.172559ms
2023/03/01 11:51:03 attempt 357 read 1048576 bytes and took 4.387289ms
2023/03/01 11:51:03 attempt 358 read 1048576 bytes and took 4.387679ms
2023/03/01 11:51:03 attempt 359 read 1048576 bytes and took 4.278969ms
2023/03/01 11:51:03 attempt 360 read 1048576 bytes and took 4.197219ms
2023/03/01 11:51:03 attempt 361 read 1048576 bytes and took 4.376689ms
2023/03/01 11:51:03 attempt 355 read 1048576 bytes and took 31.314373ms
2023/03/01 11:51:03 attempt 362 read 1048576 bytes and took 4.170609ms
2023/03/01 11:51:03 attempt 317 read 1048576 bytes and took 170.776314ms
2023/03/01 11:51:03 attempt 24 read 1048576 bytes and took 1.255939437s
2023/03/01 11:51:03 attempt 366 read 1048576 bytes and took 6.095369ms
2023/03/01 11:51:03 attempt 367 read 1048576 bytes and took 4.587769ms
2023/03/01 11:51:03 attempt 368 read 1048576 bytes and took 4.455179ms
2023/03/01 11:51:03 attempt 369 read 1048576 bytes and took 4.957309ms
2023/03/01 11:51:03 attempt 370 read 1048576 bytes and took 4.885249ms
2023/03/01 11:51:03 attempt 371 read 1048576 bytes and took 4.385989ms
2023/03/01 11:51:03 attempt 365 read 1048576 bytes and took 30.007424ms
2023/03/01 11:51:03 attempt 373 read 1048576 bytes and took 4.294959ms
2023/03/01 11:51:03 attempt 374 read 1048576 bytes and took 4.029889ms
2023/03/01 11:51:03 attempt 375 read 1048576 bytes and took 4.063259ms
2023/03/01 11:51:03 attempt 376 read 1048576 bytes and took 4.939539ms
2023/03/01 11:51:03 attempt 377 read 1048576 bytes and took 4.282789ms
2023/03/01 11:51:03 attempt 378 read 1048576 bytes and took 4.558149ms
2023/03/01 11:51:03 attempt 379 read 1048576 bytes and took 4.130989ms
2023/03/01 11:51:03 attempt 372 read 1048576 bytes and took 35.238923ms
2023/03/01 11:51:03 attempt 380 read 1048576 bytes and took 4.196689ms
2023/03/01 11:51:03 attempt 382 read 1048576 bytes and took 4.130539ms
2023/03/01 11:51:03 attempt 383 read 1048576 bytes and took 4.108659ms
2023/03/01 11:51:03 attempt 384 read 1048576 bytes and took 3.947819ms
2023/03/01 11:51:03 attempt 385 read 1048576 bytes and took 4.731789ms
2023/03/01 11:51:03 attempt 386 read 1048576 bytes and took 4.475629ms
2023/03/01 11:51:03 attempt 381 read 1048576 bytes and took 22.097375ms
2023/03/01 11:51:03 attempt 388 read 1048576 bytes and took 5.352679ms
2023/03/01 11:51:03 attempt 389 read 1048576 bytes and took 4.111009ms
2023/03/01 11:51:03 attempt 390 read 1048576 bytes and took 4.172819ms
2023/03/01 11:51:03 attempt 391 read 1048576 bytes and took 4.086069ms
2023/03/01 11:51:03 attempt 392 read 1048576 bytes and took 4.265369ms
2023/03/01 11:51:03 attempt 393 read 1048576 bytes and took 3.926969ms
2023/03/01 11:51:03 attempt 387 read 1048576 bytes and took 26.748865ms
2023/03/01 11:51:03 attempt 395 read 1048576 bytes and took 4.105479ms
2023/03/01 11:51:03 attempt 396 read 1048576 bytes and took 4.080928ms
2023/03/01 11:51:03 attempt 397 read 1048576 bytes and took 4.181869ms
2023/03/01 11:51:03 attempt 398 read 1048576 bytes and took 4.269679ms
2023/03/01 11:51:03 attempt 399 read 1048576 bytes and took 4.700869ms
2023/03/01 11:51:03 attempt 400 read 1048576 bytes and took 4.360089ms
2023/03/01 11:51:03 attempt 364 read 1048576 bytes and took 143.94272ms
2023/03/01 11:51:03 attempt 394 read 1048576 bytes and took 29.754543ms
2023/03/01 11:51:03 attempt 401 read 1048576 bytes and took 3.770249ms
2023/03/01 11:51:03 attempt 404 read 1048576 bytes and took 5.381249ms
2023/03/01 11:51:03 attempt 405 read 1048576 bytes and took 3.398979ms
2023/03/01 11:51:03 attempt 406 read 1048576 bytes and took 3.396719ms
2023/03/01 11:51:03 attempt 407 read 1048576 bytes and took 3.25381ms
2023/03/01 11:51:03 attempt 408 read 1048576 bytes and took 4.082489ms
2023/03/01 11:51:03 attempt 409 read 1048576 bytes and took 4.205219ms
2023/03/01 11:51:03 attempt 403 read 1048576 bytes and took 24.838665ms
2023/03/01 11:51:03 attempt 411 read 1048576 bytes and took 5.116369ms
2023/03/01 11:51:03 attempt 412 read 1048576 bytes and took 4.197109ms
2023/03/01 11:51:03 attempt 413 read 1048576 bytes and took 3.817109ms
2023/03/01 11:51:03 attempt 414 read 1048576 bytes and took 3.700679ms
2023/03/01 11:51:03 attempt 415 read 1048576 bytes and took 3.76031ms
2023/03/01 11:51:04 attempt 410 read 1048576 bytes and took 24.812445ms
2023/03/01 11:51:04 attempt 416 read 1048576 bytes and took 3.554289ms
2023/03/01 11:51:04 attempt 418 read 1048576 bytes and took 4.018949ms
2023/03/01 11:51:04 attempt 419 read 1048576 bytes and took 3.826829ms
2023/03/01 11:51:04 attempt 420 read 1048576 bytes and took 3.673989ms
2023/03/01 11:51:04 attempt 421 read 1048576 bytes and took 4.630209ms
2023/03/01 11:51:04 attempt 422 read 1048576 bytes and took 4.50135ms
2023/03/01 11:51:04 attempt 417 read 1048576 bytes and took 21.957326ms
2023/03/01 11:51:04 attempt 424 read 1048576 bytes and took 3.45481ms
2023/03/01 11:51:04 attempt 425 read 1048576 bytes and took 3.317079ms
2023/03/01 11:51:04 attempt 426 read 1048576 bytes and took 3.513099ms
2023/03/01 11:51:04 attempt 427 read 1048576 bytes and took 3.744689ms
2023/03/01 11:51:04 attempt 423 read 1048576 bytes and took 18.921825ms
2023/03/01 11:51:04 attempt 428 read 1048576 bytes and took 3.686509ms
2023/03/01 11:51:04 attempt 430 read 1048576 bytes and took 3.794439ms
2023/03/01 11:51:04 attempt 431 read 1048576 bytes and took 3.74375ms
2023/03/01 11:51:04 attempt 432 read 1048576 bytes and took 3.879219ms
2023/03/01 11:51:04 attempt 433 read 1048576 bytes and took 5.504209ms
2023/03/01 11:51:04 attempt 434 read 1048576 bytes and took 4.144259ms
2023/03/01 11:51:04 attempt 435 read 1048576 bytes and took 3.936109ms
2023/03/01 11:51:04 attempt 429 read 1048576 bytes and took 25.657225ms
2023/03/01 11:51:04 attempt 437 read 1048576 bytes and took 4.361119ms
2023/03/01 11:51:04 attempt 438 read 1048576 bytes and took 4.515449ms
2023/03/01 11:51:04 attempt 439 read 1048576 bytes and took 3.871579ms
2023/03/01 11:51:04 attempt 440 read 1048576 bytes and took 3.816549ms
2023/03/01 11:51:04 attempt 441 read 1048576 bytes and took 3.831149ms
2023/03/01 11:51:04 attempt 442 read 1048576 bytes and took 3.738299ms
2023/03/01 11:51:04 attempt 443 read 1048576 bytes and took 3.957929ms
2023/03/01 11:51:04 attempt 436 read 1048576 bytes and took 28.533274ms
2023/03/01 11:51:04 attempt 445 read 1048576 bytes and took 5.082369ms
2023/03/01 11:51:04 attempt 446 read 1048576 bytes and took 4.035899ms
2023/03/01 11:51:04 attempt 447 read 1048576 bytes and took 3.976499ms
2023/03/01 11:51:04 attempt 448 read 1048576 bytes and took 3.796459ms
2023/03/01 11:51:04 attempt 449 read 1048576 bytes and took 4.286219ms
2023/03/01 11:51:04 attempt 444 read 1048576 bytes and took 25.237935ms
2023/03/01 11:51:04 attempt 402 read 1048576 bytes and took 168.829015ms
2023/03/01 11:51:04 attempt 450 read 1048576 bytes and took 3.625219ms
2023/03/01 11:51:04 attempt 453 read 1048576 bytes and took 4.117359ms
2023/03/01 11:51:04 attempt 454 read 1048576 bytes and took 5.476789ms
2023/03/01 11:51:04 attempt 455 read 1048576 bytes and took 3.964049ms
2023/03/01 11:51:04 attempt 456 read 1048576 bytes and took 4.307009ms
2023/03/01 11:51:04 attempt 457 read 1048576 bytes and took 4.522809ms
2023/03/01 11:51:04 attempt 458 read 1048576 bytes and took 4.289749ms
2023/03/01 11:51:04 attempt 452 read 1048576 bytes and took 27.807814ms
2023/03/01 11:51:04 attempt 460 read 1048576 bytes and took 4.037179ms
2023/03/01 11:51:04 attempt 461 read 1048576 bytes and took 4.120049ms
2023/03/01 11:51:04 attempt 462 read 1048576 bytes and took 4.403169ms
2023/03/01 11:51:04 attempt 463 read 1048576 bytes and took 4.38917ms
2023/03/01 11:51:04 attempt 464 read 1048576 bytes and took 5.105879ms
2023/03/01 11:51:04 attempt 459 read 1048576 bytes and took 22.703136ms
2023/03/01 11:51:04 attempt 466 read 1048576 bytes and took 4.199129ms
2023/03/01 11:51:04 attempt 467 read 1048576 bytes and took 4.441439ms
2023/03/01 11:51:04 attempt 468 read 1048576 bytes and took 4.51514ms
2023/03/01 11:51:04 attempt 469 read 1048576 bytes and took 4.28859ms
2023/03/01 11:51:04 attempt 470 read 1048576 bytes and took 4.262729ms
2023/03/01 11:51:04 attempt 465 read 1048576 bytes and took 22.075666ms
2023/03/01 11:51:04 attempt 472 read 1048576 bytes and took 3.649139ms
2023/03/01 11:51:04 attempt 473 read 1048576 bytes and took 3.987329ms
2023/03/01 11:51:04 attempt 474 read 1048576 bytes and took 4.089689ms
2023/03/01 11:51:04 attempt 475 read 1048576 bytes and took 4.894059ms
2023/03/01 11:51:04 attempt 476 read 1048576 bytes and took 4.011989ms
2023/03/01 11:51:04 attempt 471 read 1048576 bytes and took 25.408244ms
2023/03/01 11:51:04 attempt 477 read 1048576 bytes and took 4.074019ms
2023/03/01 11:51:04 attempt 478 read 1048576 bytes and took 3.799139ms
2023/03/01 11:51:04 attempt 480 read 1048576 bytes and took 3.559829ms
2023/03/01 11:51:04 attempt 481 read 1048576 bytes and took 4.07933ms
2023/03/01 11:51:04 attempt 482 read 1048576 bytes and took 4.308859ms
2023/03/01 11:51:04 attempt 483 read 1048576 bytes and took 4.498819ms
2023/03/01 11:51:04 attempt 484 read 1048576 bytes and took 3.815469ms
2023/03/01 11:51:04 attempt 479 read 1048576 bytes and took 24.387185ms
2023/03/01 11:51:04 attempt 486 read 1048576 bytes and took 4.946439ms
2023/03/01 11:51:04 attempt 487 read 1048576 bytes and took 3.917299ms
2023/03/01 11:51:04 attempt 488 read 1048576 bytes and took 4.335569ms
2023/03/01 11:51:04 attempt 489 read 1048576 bytes and took 4.253719ms
2023/03/01 11:51:04 attempt 490 read 1048576 bytes and took 4.440109ms
2023/03/01 11:51:04 attempt 485 read 1048576 bytes and took 26.526855ms
2023/03/01 11:51:04 attempt 491 read 1048576 bytes and took 4.192409ms
2023/03/01 11:51:04 attempt 493 read 1048576 bytes and took 3.965859ms
2023/03/01 11:51:04 attempt 494 read 1048576 bytes and took 4.531669ms
2023/03/01 11:51:04 attempt 495 read 1048576 bytes and took 4.567268ms
2023/03/01 11:51:04 attempt 496 read 1048576 bytes and took 3.858249ms
2023/03/01 11:51:04 attempt 497 read 1048576 bytes and took 4.121379ms
2023/03/01 11:51:04 attempt 498 read 1048576 bytes and took 4.819569ms
2023/03/01 11:51:04 attempt 492 read 1048576 bytes and took 26.171684ms
2023/03/01 11:51:04 attempt 499 read 1048576 bytes and took 3.758049ms
2023/03/01 11:51:04 attempt 451 read 1048576 bytes and took 179.457312ms
2023/03/01 11:51:04 attempt 363 read 1048576 bytes and took 493.037387ms
2023/03/01 11:51:04 attempt 1 read 1048576 bytes and took 1.819468839s
2023/03/01 11:51:04 attempt 5 read 1048576 bytes and took 1.822831649s
2023/03/01 11:51:04 attempt 3 read 1048576 bytes and took 1.826565848s
2023/03/01 11:51:04 attempt 4 read 1048576 bytes and took 1.829700557s
2023/03/01 11:51:04 attempt 2 read 1048576 bytes and took 1.833553966s
2023/03/01 11:51:04 url=https://127.0.0.1:35257/longrunning got 16384
2023/03/01 11:51:04 url=https://127.0.0.1:35257/longrunning got 16384
2023/03/01 11:51:04 attempt 0 read 1048576 bytes and took 1.836839365s
2023/03/01 11:51:04 url=https://127.0.0.1:35257/longrunning got 32768
2023/03/01 11:51:04 url=https://127.0.0.1:35257/longrunning got 16384
2023/03/01 11:51:04 url=https://127.0.0.1:35257/longrunning got 16384
2023/03/01 11:51:04 url=https://127.0.0.1:35257/longrunning got 32768
2023/03/01 11:51:04 url=https://127.0.0.1:35257/longrunning got 32768
2023/03/01 11:51:04 url=https://127.0.0.1:35257/longrunning got 16384
2023/03/01 11:51:04 url=https://127.0.0.1:35257/longrunning got 16384
2023/03/01 11:51:04 url=https://127.0.0.1:35257/longrunning got 32768
2023/03/01 11:51:05 url=https://127.0.0.1:35257/longrunning got 32768
2023/03/01 11:51:05 url=https://127.0.0.1:35257/longrunning got 32768
2023/03/01 11:51:05 url=https://127.0.0.1:35257/longrunning got 32768
2023/03/01 11:51:05 got err=context canceled
2023/03/01 11:51:05 finished url https://127.0.0.1:35257/longrunning, took 3.837649726s