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net/http: io.Copy is throwing an error of runtime: out of memory #21272

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@rishiloyola

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@rishiloyola

Please answer these questions before submitting your issue. Thanks!

What version of Go are you using (go version)?

go1.6.3 linux/amd64

What operating system and processor architecture are you using (go env)?

GOARCH="amd64"
GOBIN="/usr/lib/golang/bin"
GOEXE=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOOS="linux"
GOPATH="/home/golang"
GORACE=""
GOROOT="/usr/lib/golang"
GOTOOLDIR="/usr/lib/golang/pkg/tool/linux_amd64"
GO15VENDOREXPERIMENT="1"
CC="gcc"
GOGCCFLAGS="-fPIC -m64 -pthread -fmessage-length=0"
CXX="g++"
CGO_ENABLED="1"

What did you do?

I used io.pipe to solve this problem but still, it is not working fine. I have a machine with 1.8 GB ram. And I am trying to transfer the file of 1.6 GB.

Here is my code - https://github.com/vkuznet/transfer2go/blob/rishi-super/core/request.go#L74-L139

I want to transfer 1.6 GB file using HTTP protocol. But while reading the file chunk wise using io.pipe it is showing out of memory error.

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