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From "Fangmin Lv (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (ZOOKEEPER-2879) Adding observers dynamically without server id
Date Mon, 21 Aug 2017 18:04:00 GMT

     [ https://issues.apache.org/jira/browse/ZOOKEEPER-2879?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Fangmin Lv updated ZOOKEEPER-2879:
----------------------------------
    Description: 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.  (was: 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.)

> 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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