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From "Fangmin Lv (JIRA)" <j...@apache.org>
Subject [jira] [Created] (ZOOKEEPER-2879) Adding observers dynamically without server id
Date Mon, 21 Aug 2017 17:36:00 GMT
Fangmin Lv created ZOOKEEPER-2879:
-------------------------------------

             Summary: Adding observers dynamically without server id
                 Key: ZOOKEEPER-2879
                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2879
             Project: ZooKeeper
          Issue Type: Improvement
          Components: quorum
    Affects Versions: 3.6.0
            Reporter: Fangmin Lv
            Assignee: Fangmin Lv


Dynamic config requires observer has unique server id, which means we cannot simply add observer
with dynamic server id -1. For large observer cluster, it's much more easier to add
observer without unique server id if it doesn't need to be promoted to participant. Also,
it will 
make dynamic config more efficient, we don't need to store and send the long list of observers

during re-config.



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