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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] Updated: (CASSANDRA-14) The initial arrive time should not be set to zero
Date Fri, 10 Apr 2009 15:27:14 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-14?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jonathan Ellis updated CASSANDRA-14:
------------------------------------

    Fix Version/s: 0.3

> The initial arrive time should not be set to zero
> -------------------------------------------------
>
>                 Key: CASSANDRA-14
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-14
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: zhu han
>            Assignee: Avinash Lakshman
>             Fix For: 0.3
>
>   Original Estimate: 0.5h
>  Remaining Estimate: 0.5h
>
> In line 253 of src.org.apache.cassandra.gms .FailureDetector, the initial arrive time
should not be zero. Otherwise, the failure detector would report the new joining node as dead
because the phi is positive infinity when the mean of arrive time is zero. 
> A proper value should be set as the initial value. I use half of the gossip period as
the initial value,  whose default configuration is 1000ms. 

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