Couldn't it be Keep-Alive connections? What if you add "Connection: close" header to every server response? Or call SetKeepAlivesEnabled on server https://golang.org/pkg/net/http/#Server.SetKeepAlivesEnabled
пятница, 29 июля 2016 г., 17:22:51 UTC+3 пользователь Manideep Attanti написал: > > The pprof stats show around 900 go-routines and most of them are waiting > on read request. This is causing server response time to shoot up. Any > insights on how to debug this. > > goroutine 1842715 [IO wait, 1 minutes]: > net.runtime_pollWait(0x7f753ba71ef0, 0x72, 0xc8270e9000) > /root/.gvm/gos/go1.6.2/src/runtime/netpoll.go:160 +0x60 > net.(*pollDesc).Wait(0xc841f5a7d0, 0x72, 0x0, 0x0) > /root/.gvm/gos/go1.6.2/src/net/fd_poll_runtime.go:73 +0x3a > net.(*pollDesc).WaitRead(0xc841f5a7d0, 0x0, 0x0) > /root/.gvm/gos/go1.6.2/src/net/fd_poll_runtime.go:78 +0x36 > net.(*netFD).Read(0xc841f5a770, 0xc8270e9000, 0x1000, 0x1000, 0x0, > 0x7f753da8a050, 0xc82000a1c0) > /root/.gvm/gos/go1.6.2/src/net/fd_unix.go:250 +0x23a > net.(*conn).Read(0xc826364ec8, 0xc8270e9000, 0x1000, 0x1000, 0x0, 0x0, 0x0) > /root/.gvm/gos/go1.6.2/src/net/net.go:172 +0xe4 > net/http.(*connReader).Read(0xc82420db40, 0xc8270e9000, 0x1000, 0x1000, 0x0, > 0x0, 0x0) > /root/.gvm/gos/go1.6.2/src/net/http/server.go:526 +0x196 > bufio.(*Reader).fill(0xc84b94a8a0) > /root/.gvm/gos/go1.6.2/src/bufio/bufio.go:97 +0x1e9 > bufio.(*Reader).Peek(0xc84b94a8a0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0) > /root/.gvm/gos/go1.6.2/src/bufio/bufio.go:132 +0xcc > net/http.(*conn).readRequest(0xc842ca8b80, 0x0, 0x0, 0x0) > /root/.gvm/gos/go1.6.2/src/net/http/server.go:702 +0x2e6 > net/http.(*conn).serve(0xc842ca8b80) > /root/.gvm/gos/go1.6.2/src/net/http/server.go:1425 +0x947 > created by net/http.(*Server).Serve > /root/.gvm/gos/go1.6.2/src/net/http/server.go:2137 +0x44e > > > All other goroutines are waiting on same read request. > > > Thanks. > > Manideep > > -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
