a08aa3bf2f
Based on the observation that a call to sync_routers can be very
slow (minutes) on some setup, and that profiling data show that
a significant amount of time is spent in many individual calls
of _process_sync_ha_data to _populate_mtu_and_subnets_for_ports for
a single interface, this change refactors _process_sync_ha_data to
call _populate_mtu_and_subnets_for_ports only once on a list of
interfaces instead of <n> times.
Said otherwise:
- before: O(#routers) SQL queries
(one per network of an HA interface of a router)
- after : O(1) SQL queries
(on the set of networks with an HA interface on a router)
A basic test shows a drastic improvements, from minutes to around
one second, in the processing of a sync_routers call with 256 routers.
Change-Id: I3a00c8fbb245ab3b6d93bdaa97f3435570992791
Related-Bug: 1692971
|
||
|---|---|---|
| api-ref | ||
| bin | ||
| devstack | ||
| doc | ||
| etc | ||
| neutron | ||
| rally-jobs | ||
| releasenotes | ||
| tools | ||
| .coveragerc | ||
| .gitignore | ||
| .gitreview | ||
| .mailmap | ||
| .pylintrc | ||
| .testr.conf | ||
| CONTRIBUTING.rst | ||
| HACKING.rst | ||
| LICENSE | ||
| README.rst | ||
| TESTING.rst | ||
| babel.cfg | ||
| bindep.txt | ||
| requirements.txt | ||
| run_tests.sh | ||
| setup.cfg | ||
| setup.py | ||
| test-requirements.txt | ||
| tox.ini | ||
README.rst
Team and repository tags
Welcome!
To learn more about neutron:
- Documentation: http://docs.openstack.org
- Features: http://specs.openstack.org/openstack/neutron-specs
- Defects: http://launchpad.net/neutron
Get in touch via email. Use [Neutron] in your subject.
To learn how to contribute:
CONTRIBUTING.rst