** Also affects: neutron
Importance: Undecided
Status: New
** Changed in: neutron
Importance: Undecided => High
** Changed in: neutron
Status: New => Triaged
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https://bugs.launchpad.net/bugs/1288438
Title:
Neutron server takes a long time to recover from VIP move
Status in Fuel: OpenStack installer that works:
In Progress
Status in OpenStack Neutron (virtual network service):
Triaged
Status in Oslo - a Library of Common OpenStack Code:
Fix Released
Bug description:
Neutron waits sequentially for read_timeout seconds for each
connection in its connection pool. The default pool_size is 10 so it
takes 10 minutes for Neutron server to be available after the VIP is
moved.
This is log output from neutron-server after the VIP has been moved:
2014-03-05 17:48:23.844 9899 WARNING
neutron.openstack.common.db.sqlalchemy.session [-] Got mysql server has gone
away: (2013, 'Lost connection to MySQL server during query')
2014-03-05 17:49:23.887 9899 WARNING
neutron.openstack.common.db.sqlalchemy.session [-] Got mysql server has gone
away: (2013, 'Lost connection to MySQL server during query')
2014-03-05 17:50:24.055 9899 WARNING
neutron.openstack.common.db.sqlalchemy.session [-] Got mysql server has gone
away: (2013, 'Lost connection to MySQL server during query')
2014-03-05 17:51:24.067 9899 WARNING
neutron.openstack.common.db.sqlalchemy.session [-] Got mysql server has gone
away: (2013, 'Lost connection to MySQL server during query')
2014-03-05 17:52:24.079 9899 WARNING
neutron.openstack.common.db.sqlalchemy.session [-] Got mysql server has gone
away: (2013, 'Lost connection to MySQL server during query')
2014-03-05 17:53:24.115 9899 WARNING
neutron.openstack.common.db.sqlalchemy.session [-] Got mysql server has gone
away: (2013, 'Lost connection to MySQL server during query')
2014-03-05 17:54:24.123 9899 WARNING
neutron.openstack.common.db.sqlalchemy.session [-] Got mysql server has gone
away: (2013, 'Lost connection to MySQL server during query')
2014-03-05 17:55:24.131 9899 WARNING
neutron.openstack.common.db.sqlalchemy.session [-] Got mysql server has gone
away: (2013, 'Lost connection to MySQL server during query')
2014-03-05 17:56:24.143 9899 WARNING
neutron.openstack.common.db.sqlalchemy.session [-] Got mysql server has gone
away: (2013, 'Lost connection to MySQL server during query')
2014-03-05 17:57:24.163 9899 WARNING
neutron.openstack.common.db.sqlalchemy.session [-] Got mysql server has gone
away: (2013, 'Lost connection to MySQL server during query')
Here is the log output after the pool_size was changed to 7 and the
read_timeout to 30.
2014-03-05 18:50:25.300 15731 WARNING
neutron.openstack.common.db.sqlalchemy.session [-] Got mysql server has gone
away: (2013, 'Lost connection to MySQL server during query')
2014-03-05 18:50:55.331 15731 WARNING
neutron.openstack.common.db.sqlalchemy.session [-] Got mysql server has gone
away: (2013, 'Lost connection to MySQL server during query')
2014-03-05 18:51:25.351 15731 WARNING
neutron.openstack.common.db.sqlalchemy.session [-] Got mysql server has gone
away: (2013, 'Lost connection to MySQL server during query')
2014-03-05 18:51:55.387 15731 WARNING
neutron.openstack.common.db.sqlalchemy.session [-] Got mysql server has gone
away: (2013, 'Lost connection to MySQL server during query')
2014-03-05 18:52:25.415 15731 WARNING
neutron.openstack.common.db.sqlalchemy.session [-] Got mysql server has gone
away: (2013, 'Lost connection to MySQL server during query')
2014-03-05 18:52:55.427 15731 WARNING
neutron.openstack.common.db.sqlalchemy.session [-] Got mysql server has gone
away: (2013, 'Lost connection to MySQL server during query')
2014-03-05 18:53:25.439 15731 WARNING
neutron.openstack.common.db.sqlalchemy.session [-] Got mysql server has gone
away: (2013, 'Lost connection to MySQL server during query')
2014-03-05 18:53:25.549 15731 INFO urllib3.connectionpool [-] Starting new
HTTP connection (1): 192.168.0.2
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