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Print goroutines when shutdown hangs (#8574)
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@ -19,7 +19,9 @@ package http
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import (
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"crypto/tls"
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"errors"
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"io/ioutil"
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"net/http"
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"runtime/pprof"
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"sync"
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"sync/atomic"
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"time"
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@ -137,6 +139,13 @@ func (srv *Server) Shutdown() error {
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for {
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select {
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case <-shutdownTimer.C:
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// Write all running goroutines.
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tmp, err := ioutil.TempFile("", "minio-goroutines-*.txt")
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if err == nil {
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_ = pprof.Lookup("goroutine").WriteTo(tmp, 1)
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tmp.Close()
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return errors.New("timed out. some connections are still active. doing abnormal shutdown. goroutines written to " + tmp.Name())
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}
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return errors.New("timed out. some connections are still active. doing abnormal shutdown")
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case <-ticker.C:
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if atomic.LoadInt32(&srv.requestCount) <= 0 {
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