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.. This work is licensed under a Creative Commons Attribution 4.0 International License.
.. http://creativecommons.org/licenses/by/4.0
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Feature: Session Persistence
************************************
The session persistence feature allows drools kie sessions to be persisted in a database surviving pdp-d restarts.
.. code-block:: bash
:caption: Enable session persistence
:linenos:
policy stop
features enable session-persistence
The configuration is located at:
- *$POLICY_HOME/config/feature-session-persistence.properties*
Each controller that wants to be started with persistence should contain the following line in its *<controller-name>-controller.properties*
- *persistence.type=auto*
.. code-block:: bash
:caption: Start the PDP-D using session-persistence
:linenos:
db-migrator -o upgrade -s ALL
policy start
Facts will survive PDP-D restart using the native drools capabilities and introduce a performance overhead.
.. code-block:: bash
:caption: Disable the session-persistence feature
:linenos:
policy stop
features disable session-persistence
sed -i "/persistence.type=auto/d" <controller-name>-controller.properties
db-migrator -o erase -s sessionpersistence # delete all its database data (optional)
policy start
End of Document
.. SSNote: Wiki page ref. https://wiki.onap.org/display/DW/Feature+Session+Persistence
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