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The following page has been changed by Flavio Junqueira: http://wiki.apache.org/hadoop/ZooKeeper/ZooKeeperRecipes ------------------------------------------------------------------------------ Upon receiving a notification of znode deletion: 1. Let ''C'' be the new set of children of ''ELECTION''; 1. If ''z'' is the smallest node in ''C'', then execute leader procedure; - 1. Otherwise, watch for changes on "''ELECTION/n_j''", where ''j'' is the smallest sequence number such that ''j < i'' and ''n_j'' is a znode in ''C''; + 1. Otherwise, watch for changes on "''ELECTION/n_j''", where ''j'' is the smallest sequence number such that ''j < i'' and ''n_j'' is a znode in ''C''; + Note that the a znode having no preceding znode on the list of children does not imply that the creator of this znode is aware that it is the current leader. Applications may consider creating a separate to znode to acknowledge that the leader has executed the leader procedure. +
