TIL: Go Response Body MUST be closed, even if you don’t read it

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I recently witnessed a goroutine leak in my Go server. It looked like this. goroutine profile: total 41053 20524 @ 0x43a656 0x44a7fe 0x65c512 0x46bec1 # 0x65c511 net/http.(*persistConn).writeLoop+0xf1 /usr/local/go/src/net/http/transport.go:2410 20523 @ 0x43a656 0x44a7fe 0x65b425 0x46bec1 # 0x65b424 net/http.(*persistConn).readLoop+0xd84 /usr/local/go/src/net/http/transport.go:2227 Searching…

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