OCP 4.x leaking request_sock_TCP slab when using Calico plugin

Solution Verified - Updated -


  • Openshift node is getting slow and unresponsive.
  • request_sock_TCP leaking in /proc/slabinfo eventually requiring a reboot to free kernel memory.


  • Red Hat OpenShift Container Platform 4.X (RHOCP)
  • Calico plugin

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