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From "Brandon Williams (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-2961) Expire dead gossip states based on time
Date Wed, 07 Sep 2011 16:09:10 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-2961?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13099062#comment-13099062
] 

Brandon Williams commented on CASSANDRA-2961:
---------------------------------------------

We typically don't adhere to 80 columns anyway, java is too verbose :)

> Expire dead gossip states based on time
> ---------------------------------------
>
>                 Key: CASSANDRA-2961
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2961
>             Project: Cassandra
>          Issue Type: Improvement
>    Affects Versions: 1.0
>            Reporter: Brandon Williams
>              Labels: patch
>             Fix For: 1.0
>
>         Attachments: trunk-2961.patch
>
>
> Currently dead states are held until aVeryLongTime, 3 days.  The problem is that if a
node reboots within this period, it begins a new 3 days and will repopulate the ring with
the dead state.  While mostly harmless, perpetuating the state forever is at least wasting
a small amount of bandwidth.  Instead, we can expire states based on a ttl, which will require
that the cluster be loosely time synced; within the quarantine period of 60s.

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