[openstack-dev] [oslo-incubator] removal of slave_connection from db.sqlalchemy.session

Alexei Kornienko alexei.kornienko at gmail.com
Wed Mar 5 15:43:26 UTC 2014

Hello Darren,

This option is removed since oslo.db will no longer manage engine 
objects on it's own. Since it will not store engines it cannot handle 
query dispatching.

Every project that wan't to use slave_connection will have to implement 
this logic (creation of the slave engine and query dispatching) on it's own.


On 03/05/2014 05:18 PM, Darren Birkett wrote:
> Hi,
> I'm wondering why in this commit:
> https://github.com/openstack/oslo-incubator/commit/630d3959b9d001ca18bd2ed1cf757f2eb44a336f
> ...the slave_connection option was removed.  It seems like a useful 
> option to have, even if a lot of projects weren't yet using it.
> Darren
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> OpenStack-dev mailing list
> OpenStack-dev at lists.openstack.org
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