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[Omer Anson <omer.anson@xxxxxxxxxxxxxxxx>]

Public bug reported:

The current ovsdb connection class
(neutron.agent.ovsdb.native.connection.Connection) allows filtering
OVSDB tables, but not columns. Filtering columns may allow a performance
gain when only specific columns in a table are accessed.

Specifically, this is a feature we are trying to use in Dragonflow[1],
in class DFConnection and table columns
ovsdb_monitor_table_filter_default.

[1]
https://github.com/openstack/dragonflow/blob/master/dragonflow/db/drivers/ovsdb_vswitch_impl.py

** Affects: neutron
     Importance: Undecided
     Assignee: Omer Anson (omer-anson)
         Status: New


** Tags: rfe

** Changed in: neutron
     Assignee: (unassigned) => Omer Anson (omer-anson)

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https://bugs.launchpad.net/bugs/1612403

Title:
  Cannot filter OVSDB columns, only tables

Status in neutron:
  New

Bug description:
  The current ovsdb connection class
  (neutron.agent.ovsdb.native.connection.Connection) allows filtering
  OVSDB tables, but not columns. Filtering columns may allow a
  performance gain when only specific columns in a table are accessed.

  Specifically, this is a feature we are trying to use in Dragonflow[1],
  in class DFConnection and table columns
  ovsdb_monitor_table_filter_default.

  [1]
  https://github.com/openstack/dragonflow/blob/master/dragonflow/db/drivers/ovsdb_vswitch_impl.py

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