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Description
What version of Go are you using (go version
)?
$ go version go 1.13.3 linux/amd64
Does this issue reproduce with the latest release?
no
What operating system and processor architecture are you using (go env
)?
go env
Output
$ go env GO111MODULE="" GOARCH="amd64" GOBIN="" GOCACHE="/root/.cache/go-build" GOENV="/root/.config/go/env" GOEXE="" GOFLAGS="" GOHOSTARCH="amd64" GOHOSTOS="linux" GONOPROXY="" GONOSUMDB="" GOOS="linux" GOPATH="/home/go" GOPRIVATE="" GOPROXY="https://proxy.golang.org,direct" GOROOT="/opt/tools/go" GOSUMDB="sum.golang.org" GOTMPDIR="" GOTOOLDIR="/opt/tools/go/pkg/tool/linux_amd64" GCCGO="gccgo" AR="ar" CC="gcc" CXX="g++" CGO_ENABLED="1" GOMOD="" CGO_CFLAGS="-g -O2" CGO_CPPFLAGS="" CGO_CXXFLAGS="-g -O2" CGO_FFLAGS="-g -O2" CGO_LDFLAGS="-g -O2" PKG_CONFIG="pkg-config" GOGCCFLAGS="-fPIC -m64 -pthread -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build380477337=/tmp/go-build -gno-record-gcc-switches"
What did you do?
https://play.golang.org/p/GitRj9yIY8j
The file stream returned from the server is about 30M. At the same time as io.copy, the disk io reaches 100%. The network environment is as follows
What did you expect to see?
I want to know why the error is returned and then how to circumvent the error
What did you see instead?
The error code of line 51 is printed as follows:
net/http: request canceled (Client.Timeout exceeded while reading body)