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From "Matteo Bertozzi (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-14614) Procedure v2: Core Assignment Manager
Date Fri, 02 Sep 2016 02:15:20 GMT

     [ https://issues.apache.org/jira/browse/HBASE-14614?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Matteo Bertozzi updated HBASE-14614:
------------------------------------
    Description: 
New AssignmentManager implemented using proc-v2.
 - AssignProcedure handle assignment operation
 - UnassignProcedure handle unassign operation
 - MoveRegionProcedure handle move/balance operation

Concurrent Assign operations are batched together and sent to the balancer
Concurrent Assign and Unassign operation ready to be sent to the RS are batched together

This patch is an intermediate state where we add the new AM as AssignmentManager2() to the
master, to be reached by tests. but the new AM will not be integrated with the rest of the
system. Only new am unit-tests will exercise the new assigment manager. The integration with
the master code is part of 

  was:Within a small interval, there could exists multiple region assignment operations against
1 region server.  To improve performance and reduce number of RPCs between MASTER and RS,
a dispatch will be implemented to group multiple region assignment operation to 1 RPC (batch).



> Procedure v2: Core Assignment Manager
> -------------------------------------
>
>                 Key: HBASE-14614
>                 URL: https://issues.apache.org/jira/browse/HBASE-14614
>             Project: HBase
>          Issue Type: Sub-task
>          Components: proc-v2
>    Affects Versions: 2.0.0
>            Reporter: Stephen Yuan Jiang
>            Assignee: Matteo Bertozzi
>             Fix For: 2.0.0
>
>
> New AssignmentManager implemented using proc-v2.
>  - AssignProcedure handle assignment operation
>  - UnassignProcedure handle unassign operation
>  - MoveRegionProcedure handle move/balance operation
> Concurrent Assign operations are batched together and sent to the balancer
> Concurrent Assign and Unassign operation ready to be sent to the RS are batched together
> This patch is an intermediate state where we add the new AM as AssignmentManager2() to
the master, to be reached by tests. but the new AM will not be integrated with the rest of
the system. Only new am unit-tests will exercise the new assigment manager. The integration
with the master code is part of 



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