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From "Hemanth Yamijala (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (ATLAS-630) Network partition of active instance before first time initialization completes could cause a split-brain scenario
Date Tue, 17 May 2016 13:57:13 GMT

     [ https://issues.apache.org/jira/browse/ATLAS-630?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Hemanth Yamijala reassigned ATLAS-630:
--------------------------------------

    Assignee: Hemanth Yamijala

> Network partition of active instance before first time initialization completes could
cause a split-brain scenario
> ------------------------------------------------------------------------------------------------------------------
>
>                 Key: ATLAS-630
>                 URL: https://issues.apache.org/jira/browse/ATLAS-630
>             Project: Atlas
>          Issue Type: Bug
>    Affects Versions: 0.7-incubating
>            Reporter: Hemanth Yamijala
>            Assignee: Hemanth Yamijala
>             Fix For: 0.7-incubating
>
>
> Start HA in active mode for the first time - when all dependent Graph stores are being
initialized the first time.
> Before the initialization completes, create a network partition such that the active
instance loses connection to Zookeeper. This could cause a split brain scenario where the
active instance does not stop the initialization and another instance becomes active and starts
initialization in parallel.
> This is only an issue for the very first initialization and the probability of it happening
is possibly very low.



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