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From "Brandon Williams (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-8305) add check of the system wall clock time at startup
Date Fri, 14 Nov 2014 18:49:34 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-8305?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14212619#comment-14212619
] 

Brandon Williams commented on CASSANDRA-8305:
---------------------------------------------

Well, it's a sanity check, if it's going to be wrong it's going to be *really* wrong, like
CASSANDRA-8296 :)

> add check of the system wall clock time at startup
> --------------------------------------------------
>
>                 Key: CASSANDRA-8305
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-8305
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>            Reporter: Jason Brown
>            Assignee: Jason Brown
>            Priority: Minor
>              Labels: clock, gossip
>             Fix For: 3.0, 2.1.3
>
>         Attachments: v1.txt
>
>
> Related to CASSANDRA-8296, we should add a check of the system wall clock at startup
to make sure it 'looks' reasonable. This check will prevent a node from starting with a bad
generation in it's gossip metadata (and causing many problems downstream of that).
> Note that this is intended as a simple check of the clock at startup and not a  comprehensive,
ongoing check of clocks during the running of the process. 



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