[openstack-dev] [Congress] How to start a replica ?

Tim Hinrichs tim at styra.com
Mon Jul 27 22:46:04 UTC 2015


Could you show us the contents of /tmp/congress.conf?

Tim


On Mon, Jul 27, 2015 at 3:09 PM Wong, Hong <hong.wong at hp.com> wrote:

>  Hi Tim and Alex,
>
>
>
> I see congress recently added the HA functionality, and I was looking at
> the tempest test code to understand how to start a replica.  I created a
> new congress.conf file with the different "bind_port" and set the
> "datasource_sync_period" value to 5.  However, I got the errors below when
> I try to bring up the replica:
>
>
>
> to start the replica: cd /opt/stack/congress && python
> /usr/local/bin/congress-server --config-file /tmp/congress.conf & echo $!
> >/tmp/congress.pid; fg || echo "congress failed to start" | tee
> "/tmp/congress.failure"
>
>
>
> 2015-07-27 14:56:33.592 TRACE congress.service Traceback (most recent call
> last):
>
> 2015-07-27 14:56:33.592 TRACE congress.service   File
> "/opt/stack/congress/congress/service.py", line 32, in wrapper
>
> 2015-07-27 14:56:33.592 TRACE congress.service     return f(*args, **kw)
>
> 2015-07-27 14:56:33.592 TRACE congress.service   File
> "/opt/stack/congress/congress/service.py", line 50, in congress_app_factory
>
> 2015-07-27 14:56:33.592 TRACE congress.service     cage =
> harness.create(root_path, data_path)
>
> 2015-07-27 14:56:33.592 TRACE congress.service   File
> "/opt/stack/congress/congress/harness.py", line 151, in create
>
> 2015-07-27 14:56:33.592 TRACE congress.service     for policy in
> db_policy_rules.get_policies():
>
> 2015-07-27 14:56:33.592 TRACE congress.service   File
> "/opt/stack/congress/congress/db/db_policy_rules.py", line 84, in
> get_policies
>
> 2015-07-27 14:56:33.592 TRACE congress.service     session = session or
> db.get_session()
>
> 2015-07-27 14:56:33.592 TRACE congress.service   File
> "/opt/stack/congress/congress/db/api.py", line 40, in get_session
>
> 2015-07-27 14:56:33.592 TRACE congress.service     facade =
> _create_facade_lazily()
>
> 2015-07-27 14:56:33.592 TRACE congress.service   File
> "/opt/stack/congress/congress/db/api.py", line 27, in _create_facade_lazily
>
> 2015-07-27 14:56:33.592 TRACE congress.service     _FACADE =
> session.EngineFacade.from_config(cfg.CONF, sqlite_fk=True)
>
> 2015-07-27 14:56:33.592 TRACE congress.service   File
> "/usr/local/lib/python2.7/dist-packages/oslo_db/sqlalchemy/enginefacade.py",
> lin
>
> .....
>
> 2015-07-27 14:56:33.592 TRACE congress.service   File
> "/usr/local/lib/python2.7/dist-packages/pymysql/err.py", line 112, in
> _check_mysql_exception
>
> 2015-07-27 14:56:33.592 TRACE congress.service     raise errorclass(errno,
> errorvalue)
>
> 2015-07-27 14:56:33.592 TRACE congress.service OperationalError:
> (pymysql.err.OperationalError) (1040, u'Too many connections')
>
>
>
> I got the same error when running the tempest test as well.  Any idea ?
>
>
>
> Thanks,
>
> Hong
>
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