Why is the docker daemon hanging when subjected under high load in Red Hat Enterprise Linux 7 ?

Solution Verified - Updated -

Issue

  • Why is the docker daemon hanging when subjected under high load in Red Hat Enterprise Linux 7 ?
  • docker info hangs and does not return any output. Remote API connections remain in CLOSE_WAIT state

Environment

  • Red Hat Enterprise Linux 7.1
  • docker-1.7.1-115.el7.x86_64
  • docker-1.6.2-14.el7.x86_64
  • Restarting docker daemon helps to recover from the hang
  • systemd-208-20-*

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