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From "chunhui shen (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-5501) Handle potential data loss due to concurrent processing of processFaileOver and ServerShutdownHandler
Date Thu, 01 Mar 2012 08:32:00 GMT

     [ https://issues.apache.org/jira/browse/HBASE-5501?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

chunhui shen updated HBASE-5501:
--------------------------------

    Attachment: hbase-5501.patch

In the hbase-5501.patch, we prevent processing of SSH before finish assign ROOTandMETA,and
use the same onlineServers for splitLog and joinCluster during initializing
                
> Handle potential data loss due to concurrent processing of processFaileOver and ServerShutdownHandler
> -----------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-5501
>                 URL: https://issues.apache.org/jira/browse/HBASE-5501
>             Project: HBase
>          Issue Type: Bug
>            Reporter: chunhui shen
>            Assignee: chunhui shen
>         Attachments: hbase-5501.patch
>
>
> In a live cluster, we do the following step
> 1.kill the master;
> 1.start the master, and master is initializing´╝Ť
> 3.master complete splitLog
> 4.kill the META server
> 5.master start assigning ROOT and META
> 6.Now meta region data will loss since we may assign meta region before SSH finish split
log for dead META server.

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