shanyu commented on issue #212: [LIVY-11] Enable HA support URL: https://github.com/apache/incubator-livy/pull/212#issuecomment-528010862 > > Another question is if the current leader crash and a new leader is elected, should the session state in the old leader be restored in the new leader? > > The code does not do the state synchronization related to the Session State. Is it a good choice to put it in zk? This is already implemented previously. You can set livy.server.recovery.state-store to "zookeeper" and livy.server.recovery.state-store.url to zookeeper quorum. This PR mainly concerns the leader election part for the active-passive Livy Server.
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