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diff --git a/docs/drools/feature_sesspersist.rst b/docs/drools/feature_sesspersist.rst new file mode 100644 index 00000000..4bb5ef62 --- /dev/null +++ b/docs/drools/feature_sesspersist.rst @@ -0,0 +1,49 @@ + +.. This work is licensed under a Creative Commons Attribution 4.0 International License. +.. http://creativecommons.org/licenses/by/4.0 + +************************************ +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 + + |