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https://issues.apache.org/jira/browse/HBASE-11220?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14011034#comment-14011034
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Hudson commented on HBASE-11220:
--------------------------------

FAILURE: Integrated in HBase-TRUNK #5147 (See 
[https://builds.apache.org/job/HBase-TRUNK/5147/])
HBASE-11220 Add listeners to ServerManager and AssignmentManager 
(matteo.bertozzi: rev ab896f05d1d84f3e634c364a0772ada4c6cd6b9d)
* hbase-server/src/main/java/org/apache/hadoop/hbase/master/ServerListener.java
* 
hbase-server/src/main/java/org/apache/hadoop/hbase/master/AssignmentListener.java
* 
hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestAssignmentListener.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/master/ServerManager.java
* 
hbase-server/src/main/java/org/apache/hadoop/hbase/master/AssignmentManager.java


> Add listeners to ServerManager and AssignmentManager
> ----------------------------------------------------
>
>                 Key: HBASE-11220
>                 URL: https://issues.apache.org/jira/browse/HBASE-11220
>             Project: HBase
>          Issue Type: Improvement
>          Components: master
>    Affects Versions: 0.99.0
>            Reporter: Matteo Bertozzi
>            Assignee: Matteo Bertozzi
>            Priority: Minor
>             Fix For: 0.99.0, 0.98.4
>
>         Attachments: HBASE-11220-v0.patch, HBASE-11220-v1.patch
>
>
> Add support for listeners to ServerManager and AssignmentManager.
> This will allows to get notified about servers added/removed or regions 
> added/removed/moved.
> I'm planning to use this in the MasterProcedureManager. Since we are starting 
> using the Procedures for distributed operations, we must add support for RS 
> joining or Regions moving. At the moment the operation on the "moving" set of 
> RSs is "lost".



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