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From "stack (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-5277) Put AssignmentManager on a diet
Date Wed, 25 Jan 2012 17:28:41 GMT

     [ https://issues.apache.org/jira/browse/HBASE-5277?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

stack updated HBASE-5277:
-------------------------

    Attachment: 5277v1.txt

Move RegionState out into its own package private class.  Make new datastructure ServersAndRegions
that manages the servers to regions and regions to servers Maps.

Not done yet.  Cuts AM by 1k lines or about 8%.  More to do.
                
> Put AssignmentManager on a diet
> -------------------------------
>
>                 Key: HBASE-5277
>                 URL: https://issues.apache.org/jira/browse/HBASE-5277
>             Project: HBase
>          Issue Type: Task
>            Reporter: stack
>         Attachments: 5277v1.txt
>
>
> AM has five or six inner classes, it takes zk callbacks, it has distinct Maps that are
supposed to be edited together (regions and servers) and that then have some interaction w/
notion of regionsInTransition, etc.  It could do w/ a tune-up so it comes back into the realm
of the penetrable (currently I'd not be surprised if its workings were beyond the ken of all
who here code). 

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