[jira] [Commented] (HBASE-14614) Procedure v2: Core Assignment Manager

["stack (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-14614?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15958553#comment-15958553 ] 

stack commented on HBASE-14614:
-------------------------------

v025 disables a bunch of tests -- tests that use mechanisms to simulate conditions no longer  supported in AMv2 -- or tests that fail because AMv2 enforces meta on master exclusively (current master seems loosey-goosey about it). Write up coming.

> 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
>
>         Attachments: HBASE-14614.master.001.patch, HBASE-14614.master.002.patch, HBASE-14614.master.003.patch, HBASE-14614.master.004.patch, HBASE-14614.master.005.patch, HBASE-14614.master.006.patch, HBASE-14614.master.007.patch, HBASE-14614.master.008.patch, HBASE-14614.master.009.patch, HBASE-14614.master.010.patch, HBASE-14614.master.011.patch, HBASE-14614.master.012.patch, HBASE-14614.master.012.patch, HBASE-14614.master.013.patch, HBASE-14614.master.014.patch, HBASE-14614.master.015.patch, HBASE-14614.master.016.patch, HBASE-14614.master.017.patch, HBASE-14614.master.018.patch, HBASE-14614.master.019.patch, HBASE-14614.master.020.patch, HBASE-14614.master.021.patch, HBASE-14614.master.022.patch, HBASE-14614.master.023.patch, HBASE-14614.master.024.patch, HBASE-14614.master.025.patch
>
>
> 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 HBASE-14616



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