[openstack-dev] [oslo.db][sqlalchemy][mistral] Configuring default transaction isolation level

Roman Podoliaka rpodolyaka at mirantis.com
Tue Dec 8 17:16:25 UTC 2015


Hi Moshe,

Feel free to submit a patch! This seems to be something we want to be
able to configure.

Thanks,
Roman

On Tue, Dec 8, 2015 at 9:41 AM, ELISHA, Moshe (Moshe)
<moshe.elisha at alcatel-lucent.com> wrote:
> Hi,
>
>
>
> We at Mistral want to move from the default transaction isolation level of
> REPEATABLE READ to READ COMMITTED as part of a bugfix[1].
>
>
>
> I did not find a way to pass the isolation level to sqlachemy using oslo.db
> and the current solution is to use monkey-patching[2] that adds the
> “isolation_level” property.
>
>
>
> Is there currently a better way to set the default isolation level?
>
> If not – I will create a BP for it.
>
>
>
> Thanks.
>
>
>
> [1] https://review.openstack.org/#/c/253819
>
> [2] https://review.openstack.org/#/c/253819/11/mistral/db/sqlalchemy/base.py
>
>
>
>
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