[ARVADOS] updated: 1.3.0-853-g0f1476fae

[Git user]

Summary of changes:
 services/keepstore/unix_volume.go | 2 ++
 1 file changed, 2 insertions(+)

       via  0f1476fae8e60066c536ae85937975b793d6fb08 (commit)
      from  cafd28756a1465381774ed2e1df500bd148a4a1f (commit)

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commit 0f1476fae8e60066c536ae85937975b793d6fb08
Author: Tom Clegg <tclegg at veritasgenetics.com>
Date:   Fri May 10 16:36:39 2019 -0400

    Log if client hangs up while waiting for unix volume Serialize lock.
    
    No issue #
    
    Arvados-DCO-1.1-Signed-off-by: Tom Clegg <tclegg at veritasgenetics.com>

diff --git a/services/keepstore/unix_volume.go b/services/keepstore/unix_volume.go
index c5d719261..4d9e798ac 100644
--- a/services/keepstore/unix_volume.go
+++ b/services/keepstore/unix_volume.go
@@ -679,6 +679,7 @@ func (v *UnixVolume) lock(ctx context.Context) error {
 	if v.locker == nil {
 		return nil
 	}
+	t0 := time.Now()
 	locked := make(chan struct{})
 	go func() {
 		v.locker.Lock()
@@ -686,6 +687,7 @@ func (v *UnixVolume) lock(ctx context.Context) error {
 	}()
 	select {
 	case <-ctx.Done():
+		log.Printf("%s: client hung up while waiting for Serialize lock (%s)", v, time.Since(t0))
 		go func() {
 			<-locked
 			v.locker.Unlock()

-----------------------------------------------------------------------


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