yahoo-eng-team team mailing list archive

[Guillaume Espanel <2022360@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

Deleting a security group results in each agent of the region running
a bulk_pull query for all the rules in the security group against the
neutron-rpc. This is incurs a load on neutron-rpc, rabbitmq and the db
proportional to the number of agents and the number of security group
rules and has a noticeable impact on larger infrastructures.

How to reproduce:

1. Create a security group.
2. Delete the security group.
3. Observe all the neutron agents are performing a bulk_pull for the deleted security group.

** Affects: neutron
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/2022360

Title:
  SecurityGroup deletion causes bulk_pull of SG rules by all the agents

Status in neutron:
  New

Bug description:
  Deleting a security group results in each agent of the region running
  a bulk_pull query for all the rules in the security group against the
  neutron-rpc. This is incurs a load on neutron-rpc, rabbitmq and the db
  proportional to the number of agents and the number of security group
  rules and has a noticeable impact on larger infrastructures.

  How to reproduce:

  1. Create a security group.
  2. Delete the security group.
  3. Observe all the neutron agents are performing a bulk_pull for the deleted security group.

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