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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-6257) Safety check on node joining cluster (based on last seen vs GC grace period) to avoid zombie data
Date Mon, 28 Oct 2013 18:14:31 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-6257?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13807037#comment-13807037
] 

Jonathan Ellis commented on CASSANDRA-6257:
-------------------------------------------

bq. this shouldn't be too hard

Really?  How do we get feedback to the just-started node rather than just ignoring it?

> Safety check on node joining cluster (based on last seen vs GC grace period) to avoid
zombie data
> -------------------------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-6257
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-6257
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Johnny Miller
>            Assignee: Tyler Hobbs
>            Priority: Minor
>
> When a node is rejoining a cluster, it would be nice to have some form of safety check
that the cluster recognises the last time the node was part of the cluster is greater that
the GC grace period and therefore should not be able to rejoin the cluster unless the administrator
specifically requests it.
> The goal of this is to help avoid the potential issues with deleted data coming back
from the rejoining nodes dataset.



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