Maintaining the Feature

Upgrading the Software

Replace the existing JAR package with the JAR package of the new version on the installation node. You do not need to uninstall the existing version. For details, see Installing OmniStateStore.

Uninstalling the Software

Perform the following steps only when you need to uninstall OmniStateStore.

1. Delete the configured state.backend.ockdb.localdir path from the installation node.
2. Delete the flink-boost-statebackend-1.1.0-SNAPSHOT-for-flink-${flink.x.x.x}.jar file from the ${FLINK_HOME}/lib/ directory.

   rm -f flink-boost-statebackend-1.1.0-SNAPSHOT-for-flink-x.x.x.jar

3. Set the state.backend configuration item in the flink-conf.yaml configuration file to another state backend.