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.. _config-command-three:
***********************
Apply the Configuration
***********************
After the configuration files have been examined and are correct. The configuration
can be applied. After the configuration is applied use option "1" to check the
system configuration. Notice the default is NOT to change the grub file. If the option
to change the grub command line is selected a reboot of the system will be required.
.. code-block:: console
What would you like to do?
1) Show basic system information
2) Dry Run (Will save the configuration files in /usr/local/vpp/vpp-config/dryrun for inspection)
3) Full configuration (WARNING: This will change the system configuration)
4) List/Install/Uninstall VPP.
q) Quit
Command: 3
We are now going to configure your system(s).
Are you sure you want to do this [Y/n]? y
These are the changes we will apply to
the huge page file (/etc/sysctl.d/80-vpp.conf).
1,2d0
< vm.nr_hugepages=1024
4,7c2,3
< vm.max_map_count=3096
---
> vm.nr_hugepages=8192
> vm.max_map_count=17408
8a5
> kernel.shmmax=17179869184
10,15d6
< kernel.shmmax=2147483648
Are you sure you want to apply these changes [Y/n]?
These are the changes we will apply to
the VPP startup file (/etc/vpp/startup.conf).
---
>
> main-core 8
> corelist-workers 9-10
>
> scheduler-policy fifo
> scheduler-priority 50
>
67,68c56, 67,68c56,66
< # dpdk {
---
> dpdk {
>
> dev 0000:86:00.0 {
> num-rx-queues 2
> }
> dev 0000:86:00.1 {
> num-rx-queues 2
> }
> num-mbufs 25600
>
124c1 124c122
< # }
---
> }
Are you sure you want to apply these changes [Y/n]?
The configured grub cmdline looks like this:
GRUB_CMDLINE_LINUX_DEFAULT="isolcpus=8,9-10 nohz_full=8,9-10 rcu_nocbs=8,9-10"
The current boot cmdline looks like this:
BOOT_IMAGE=/boot/vmlinuz-4.4.0-97-generic root=UUID=d760b82f-f37b-47e2-9815-db8d479a3557 ro
Do you want to keep the current boot cmdline [Y/n]?
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