** Changed in: neutron
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1445202
Title:
Bug #1414218 is not fixed on the stable/juno branch
Status in OpenStack Neutron (virtual network service):
Fix Released
Bug description:
On the stable/juno branch, https://review.openstack.org/#/c/164329
(ChangeId: I3ad7864eeb2f959549ed356a1e34fa18804395cc, fixed bug
https://bugs.launchpad.net/neutron/+bug/1414218) was merged on April
1st. Less than 1 hour before this merge,
https://review.openstack.org/#/c/153181 was merged. Both patches
modified the same function _output_hosts_file() in the same file
(neutron/agent/linux/dhcp.py).
https://review.openstack.org/#/c/164329 removed LOG.debug statements
from the _output_hosts_file while
https://review.openstack.org/#/c/153181 added LOG.debug statements.
The end result is that the bad performance problem fixed by
https://review.openstack.org/#/c/164329 is reverted by
https://review.openstack.org/#/c/153181 unintentionally.
The https://review.openstack.org/#/c/164329 fixes bug
https://bugs.launchpad.net/neutron/+bug/1414218. The root cause is the
performance overhead due to the LOG.debug statements in the for-loop
of the _output_hosts_file() function.
This problem is only found on the stable/juno branch of neutron.
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