openstack/charm-deployment-guide
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Expand on dpdk memory calculations

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Change-Id: I347d151cfc9c80fcb18cdadc87f85948c6eb1f3d
This commit is contained in:
Liam Young 2020-11-24 09:57:51 +00:00
parent cb37b9e363
commit f7edc4bf46
1 changed files with 11 additions and 2 deletions
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13
deploy-guide/source/app-ovn.rst
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@ -357,8 +357,16 @@ Example:
By default, the charm will configure Open vSwitch/DPDK to consume one processor
core + 1G of RAM from each NUMA node on the unit being deployed. This can be
tuned using the ``dpdk-socket-memory`` and ``dpdk-socket-cores`` configuration
options. The userspace kernel driver can be configured using the
``dpdk-driver`` configuration option. See config.yaml for more details.
options.
.. note::
Please check that the value of dpdk-socket-memory is large enough to
accommodate the MTU size being used. For more information please refer to
`DPDK shared memory calculations`_
The userspace kernel driver can be configured using the ``dpdk-driver``
configuration option. See config.yaml for more details.
.. note::
@ -971,4 +979,5 @@ Perform migration
.. _traffic control monitor: http://manpages.ubuntu.com/manpages/focal/man8/tc.8.html#monitor
.. _data path control tools: http://manpages.ubuntu.com/manpages/focal/man8/ovs-dpctl.8.html
.. _Clustered Database Service Model: http://docs.openvswitch.org/en/latest/ref/ovsdb.7/#clustered-database-service-model
.. _DPDK shared memory calculations: https://docs.openvswitch.org/en/latest/topics/dpdk/memory/#shared-memory-calculations
.. _Usage: app-ovn#usage