[jira] Assigned: (CASSANDRA-437) record token/endpoint (ip) pairs in system table

["Sammy Yu (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CASSANDRA-437?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sammy Yu reassigned CASSANDRA-437:
----------------------------------

    Assignee: Sammy Yu

> record token/endpoint (ip) pairs in system table
> ------------------------------------------------
>
>                 Key: CASSANDRA-437
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-437
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Jonathan Ellis
>            Assignee: Sammy Yu
>             Fix For: 0.5
>
>
> Each node records its own token after generating one or reading it from the config file.  For more redundancy we should record others'  tokens too.
> This should not be regarded as canonical information -- do not use it to take shortcuts instead of using gossip.  It is only to provide redundancy in case of failure.
> For instance, if your cluster loses power and when it comes back up, the disk w/ token information on one of your machines is dead, this will let you get that token information easily from another node instead of having to guess by scanning sstables.  This is not a theoretical scenario; something of this nature did happen to FB.

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