Juniper Openstack

R4.0-dpdk-the hugepage setting not configured as specified in contrail-net.yaml

Bug #1722895 reported by shajuvk on 2017-10-11

This bug affects 1 person

	Status	Importance	Assigned to	Milestone
Juniper Openstack	Status tracked in Trunk
R3.2	Invalid	Medium	alexey-mr	Juniper Openstack r3.2.7.0
R4.0	Invalid	Medium	alexey-mr	Juniper Openstack r4.0.3.0
R4.1	Invalid	Medium	alexey-mr	Juniper Openstack r4.1.0.0-fcs "r4.1"
Trunk	Invalid	Medium	alexey-mr	Juniper Openstack r5.0.0

Bug Description

from contrail-net.yaml
=============
  BondMode: 4
  BondPolicy: 1
  ContrailVlanParentInterface: bond0
  ContrailBondInterface: bond0
  ContrailBondInterfaceMembers: eno1
  InternalApiNetworkVlanID: 201
  ContrailDpdkHugepages: 64000
  ContrailDpdkCoremask: '0x3f'

=============

[root@overcloud-contraildpdk-0 ~]# sysctl -a | grep Huge
sysctl: reading key "net.ipv6.conf.all.stable_secret"
sysctl: reading key "net.ipv6.conf.bond0.stable_secret"
sysctl: reading key "net.ipv6.conf.br0.stable_secret"
sysctl: reading key "net.ipv6.conf.default.stable_secret"
sysctl: reading key "net.ipv6.conf.enp131s0f0.stable_secret"
sysctl: reading key "net.ipv6.conf.enp131s0f1.stable_secret"
sysctl: reading key "net.ipv6.conf.enp3s0f1.stable_secret"
sysctl: reading key "net.ipv6.conf.enp6s0f1.stable_secret"
sysctl: reading key "net.ipv6.conf.eth2.stable_secret"
sysctl: reading key "net.ipv6.conf.lo.stable_secret"
sysctl: reading key "net.ipv6.conf.vhost0.stable_secret"
sysctl: reading key "net.ipv6.conf.vlan10.stable_secret"
sysctl: reading key "net.ipv6.conf.vlan30.stable_secret"
sysctl: reading key "net.ipv6.conf.vlan40.stable_secret"
sysctl: reading key "net.ipv6.conf.vlan60.stable_secret"
[root@overcloud-contraildpdk-0 ~]# sysctl -a | grep huge
sysctl: reading key "net.ipv6.conf.all.stable_secret"
sysctl: reading key "net.ipv6.conf.bond0.stable_secret"
sysctl: reading key "net.ipv6.conf.br0.stable_secret"
sysctl: reading key "net.ipv6.conf.default.stable_secret"
sysctl: reading key "net.ipv6.conf.enp131s0f0.stable_secret"
sysctl: reading key "net.ipv6.conf.enp131s0f1.stable_secret"
sysctl: reading key "net.ipv6.conf.enp3s0f1.stable_secret"
sysctl: reading key "net.ipv6.conf.enp6s0f1.stable_secret"
sysctl: reading key "net.ipv6.conf.eth2.stable_secret"
sysctl: reading key "net.ipv6.conf.lo.stable_secret"
sysctl: reading key "net.ipv6.conf.vhost0.stable_secret"
sysctl: reading key "net.ipv6.conf.vlan10.stable_secret"
sysctl: reading key "net.ipv6.conf.vlan30.stable_secret"
sysctl: reading key "net.ipv6.conf.vlan40.stable_secret"
sysctl: reading key "net.ipv6.conf.vlan60.stable_secret"
vm.hugepages_treat_as_movable = 0
vm.hugetlb_shm_group = 0
vm.nr_hugepages = 2048 ========================> this was set wrong.
vm.nr_hugepages_mempolicy = 2048
vm.nr_overcommit_hugepages = 0

Work around
=============
[root@overcloud-contraildpdk-0 ~]# sysctl -w vm.nr_hugepages=64000
vm.nr_hugepages = 64000

Tags:

shajuvk (shajuvk) on 2017-10-11

information type:

Proprietary → Public

Revision history for this message

shajuvk (shajuvk) wrote on 2017-10-11:

[root@overcloud-contraildpdk-0 ~]# cat /proc/meminfo | grep -i Huge
AnonHugePages: 466944 kB
HugePages_Total: 64000
HugePages_Free: 62927
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 2048 kB

edit this file ad set 64000
vi /etc/sysctl.conf

vm.nr_hugepages=64000
# vm.nr_hugepages=2048

shajuvk (shajuvk) on 2017-10-12

summary:

- R4.0-dpdk-the hugepage setting not configured properly in dpdk compute ,
- director provisioning
+ R4.0-dpdk-the hugepage setting not configured as specified in contrail-
+ net.yaml

Revision history for this message

alexey-mr (alexey-morlang) wrote on 2017-10-16:

Wrong parameter - ContrailDpdkHugepages
It is - ContrailDpdkHugePages
(since it is named so in upstream)

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