** Also affects: neutron (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects: neutron (Ubuntu Groovy)
Importance: High
Status: Triaged
** Changed in: neutron (Ubuntu Focal)
Status: New => Triaged
** Changed in: neutron (Ubuntu Focal)
Importance: Undecided => High
--
You received this bug notification because you are a member of Yahoo!
Engineering Team, which is subscribed to neutron.
https://bugs.launchpad.net/bugs/1890432
Title:
Create subnet is failing under high load with OVN
Status in OpenStack neutron-api charm:
Invalid
Status in neutron:
In Progress
Status in neutron package in Ubuntu:
Triaged
Status in neutron source package in Focal:
Triaged
Status in neutron source package in Groovy:
Triaged
Bug description:
Under a high concurrency level create subnet is starting to fail.
(12-14% failure rate) The bundle is OVN / Ussuri.
neutronclient.common.exceptions.Conflict: Unable to complete operation
on subnet This subnet is being modified by another concurrent
operation.
Stacktrace: https://pastebin.ubuntu.com/p/sQ5CqD6NyS/
Rally task:
{% set flavor_name = flavor_name or "m1.medium" %}
{% set image_name = image_name or "bionic-kvm" %}
---
NeutronNetworks.create_and_delete_subnets:
-
args:
network_create_args: {}
subnet_create_args: {}
subnet_cidr_start: "1.1.0.0/30"
subnets_per_network: 2
runner:
type: "constant"
times: 100
concurrency: 10
context:
network: {}
users:
tenants: 30
users_per_tenant: 1
quotas:
neutron:
network: -1
subnet: -1
Concurrency level set to 1 instead of 10 is not triggering the issue.
To manage notifications about this bug go to:
https://bugs.launchpad.net/charm-neutron-api/+bug/1890432/+subscriptions
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