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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-14614) Procedure v2: Core Assignment Manager
Date Fri, 26 May 2017 06:15:04 GMT

    [ https://issues.apache.org/jira/browse/HBASE-14614?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16025869#comment-16025869
] 

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

I went over the test failures. All pass local except TestAsyncRegionAdminApi and TestIOFencing.
 The former had a patch to fix it by [~openinx] so I applied it to master in HBASE-18120.
For failing TestIOFencing, it passes most of the time but fails sometimes waiting on a flush.
Added asking for a flush and it seems more reliable now.

> 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: 14614.040.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.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.017.patch,
HBASE-14614.master.018.patch, HBASE-14614.master.019.patch, HBASE-14614.master.020.patch,
HBASE-14614.master.022.patch, HBASE-14614.master.023.patch, HBASE-14614.master.024.patch,
HBASE-14614.master.025.patch, HBASE-14614.master.026.patch, HBASE-14614.master.027.patch,
HBASE-14614.master.028.patch, HBASE-14614.master.029.patch, HBASE-14614.master.030.patch,
HBASE-14614.master.033.patch, HBASE-14614.master.038.patch, HBASE-14614.master.039.patch,
HBASE-14614.master.040.patch, HBASE-14614.master.041.patch, HBASE-14614.master.042.patch,
HBASE-14614.master.043.patch, HBASE-14614.master.044.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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