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
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