[Bug 1423631] Re: tap interface drops many packets on highload systems

Chris J Arges 1423631 at bugs.launchpad.net
Wed Jun 17 19:20:10 UTC 2015


Can you explain more about your setup?
Which version of openstack are you running?
How have you setup your instance?
Which operating system / kernel version are you running in your instance?
How are you generating outbound traffic from the instance?
Is the outbound traffic going through other equipment which may be dropping those packets?

In my Trusty/Icehouse deploy, I've deployed instanced and observed the
tapXXXXX interfaces on the compute node and noticed no large amount of
dropped TX packets.

** Changed in: qemu-kvm (Ubuntu)
       Status: Confirmed => Incomplete

** Changed in: qemu-kvm (Ubuntu)
   Importance: Undecided => Medium

** Changed in: qemu (Ubuntu)
   Importance: Undecided => Medium

** Changed in: qemu (Ubuntu)
       Status: New => Incomplete

** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

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https://bugs.launchpad.net/bugs/1423631

Title:
  tap interface drops many packets on highload systems

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