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From "Feng Honghua (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-10273) AssignmentManager.regions(region to regionserver assignment map) and AssignmentManager.servers(regionserver to regions assignment map) are not always updated in tandem with each other
Date Fri, 03 Jan 2014 02:03:50 GMT

     [ https://issues.apache.org/jira/browse/HBASE-10273?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Feng Honghua updated HBASE-10273:
---------------------------------

    Attachment: HBASE-10273-0.94_v0.patch

patch for 0.94(http://svn.apache.org/repos/asf/hbase/branches/0.94) is attached. this bug
exists for all 0.94 sub-branches. it needs more investigation if its existence for trunk since
big difference between 0.94 and trunk for AssignmentManager

> AssignmentManager.regions(region to regionserver assignment map) and AssignmentManager.servers(regionserver
to regions assignment map) are not always updated in tandem with each other
> ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-10273
>                 URL: https://issues.apache.org/jira/browse/HBASE-10273
>             Project: HBase
>          Issue Type: Bug
>          Components: master
>    Affects Versions: 0.94.16
>            Reporter: Feng Honghua
>            Assignee: Feng Honghua
>             Fix For: 0.94.16
>
>         Attachments: HBASE-10273-0.94_v0.patch
>
>
> By definition, AssignmentManager.servers and AssignmentManager.regions are tied and should
be updated in tandem with each other under a lock on AssignmentManager.regions, but there
are two places where this protocol is broken.



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