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From "Jonathan Ellis (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-4120) Gossip identifies hosts by IP
Date Thu, 05 Apr 2012 15:08:23 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-4120?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13247273#comment-13247273
] 

Jonathan Ellis commented on CASSANDRA-4120:
-------------------------------------------

We should probably pick a different unique identifier, since IP is not really a unique identifier
either.  (E.g., host dies, new one joins the cluster with same IP.)  This motivated the switch
from using IP to using token in the past.
                
> Gossip identifies hosts by IP
> -----------------------------
>
>                 Key: CASSANDRA-4120
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-4120
>             Project: Cassandra
>          Issue Type: Sub-task
>          Components: Core
>            Reporter: Sam Overton
>            Assignee: Sam Overton
>
> Since there is no longer a one-to-one mapping of host to token, the IP should be used
to identify a host. This impacts:
> * Gossip
> * Hinted Hand-off
> * some JMX operations (eg. assassinateEndpointUnsafe)

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