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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] Updated: (CASSANDRA-1518) remember ring state between restarts
Date Thu, 30 Sep 2010 20:58:33 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-1518?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jonathan Ellis updated CASSANDRA-1518:
--------------------------------------

    Attachment: 1518-v2.txt

lgtm.  v2 makes some minor changes, mostly to clarify the log messages

> remember ring state between restarts
> ------------------------------------
>
>                 Key: CASSANDRA-1518
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-1518
>             Project: Cassandra
>          Issue Type: New Feature
>          Components: Core
>            Reporter: Jonathan Ellis
>            Assignee: Brandon Williams
>             Fix For: 0.7.0
>
>         Attachments: 1518-v2.txt, 1518.txt
>
>
> default behavior should be to remember the nodes we've seen before.  we're already storing
ip/token pairs in systemtable, but we're not removing them when removetoken is issued.
> we probably want to leave some trace of nodes-that-used-to-participate-but-were-removed,
but instead of having a historical track in systemtable let's just add something to the gossip
listener in StorageService that logs token when a node comes up.
> finally, there should be a flag (-D?  config?) for bringing up a node in don't-assume-anything-about-the-ring
mode as a fallback in case we run into more funky token-related bugs.

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