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Description of problem:

It has been observed that implementation of TX queue size is not implemented in correct way in nova/libvirt/qemu i.e.

setting tx_queue_size in nova.conf doesn't propagate to guest VM correctly and also it does not translate to set the txqueuelen param value of tap interfaces.

It is part of the proposed solutions discussed in 
BZ- https://bugzilla.redhat.com/show_bug.cgi?id=2007572

So, this RFE is to track the implementation of tuned profile to support the tuning of txqueuelen parameter.

*** Bug 2007572 has been marked as a duplicate of this bug. ***

At the moment TuneD supports setting of the HW NIC queues (those controlled by the ethtool), but not the upper level txqueuelen. I think we could add support for it to the 'net' plugin.

I also changed the component to the 'tuned'.

Upstream PR:
https://github.com/redhat-performance/tuned/pull/403

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (tuned bug fix and enhancement update), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2022:2106