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Does voltdb use zookeeper to do catalog synchronization among the cluster?

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  • Does voltdb use zookeeper to do catalog synchronization among the cluster?

    How voltdb do catalog synchronization ? I know that all node of the voltdb cluster must maintain a same catalog at any time.
    The catalog would update if user declare a procedure or create a table .How voltdb do catalog synchronization at this time?
    Is it use zookeeper watcher or it have another tactics ?I really want to know more detail about it.
    by the way, What ‘s the role of zookeeper in voltdb?
    thank you so much.
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