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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CASSANDRA-1938) Use UUID as node identifiers in counters instead of IP addresses
Date Wed, 05 Jan 2011 15:56:45 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-1938?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12977800#action_12977800
] 

Jonathan Ellis commented on CASSANDRA-1938:
-------------------------------------------

Will this also break the on-disk ring persistence we added for CASSANDRA-1518?

> Use UUID as node identifiers in counters instead of IP addresses 
> -----------------------------------------------------------------
>
>                 Key: CASSANDRA-1938
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-1938
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>            Reporter: Sylvain Lebresne
>            Assignee: Sylvain Lebresne
>             Fix For: 0.8
>
>   Original Estimate: 56h
>  Remaining Estimate: 56h
>
> The use of IP addresses as node identifiers in the partition of a given
> counter is fragile. Changes of the node's IP addresses can result in data
> loss. This patch proposes to use UUIDs instead.
> NOTE: this breaks the on-disk file format (for counters)

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