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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-20103) [pv2] AssignmentProcedure is too coarse grained
Date Wed, 28 Feb 2018 01:16:00 GMT
stack created HBASE-20103:
-----------------------------

             Summary: [pv2] AssignmentProcedure is too coarse grained
                 Key: HBASE-20103
                 URL: https://issues.apache.org/jira/browse/HBASE-20103
             Project: HBase
          Issue Type: Bug
            Reporter: stack
            Assignee: stack


Comes of work on HBASE-20100 but in particular, in feedback from [~Apache9] https://mail.google.com/mail/u/0/#inbox/161d8e41054be406

The AP is too coarse-grained. There is precheck+start, then transform state is edit meta setting
state to OPENING and then dispatch (rpc)....  Finish is edit of meta and setting internal
state. The edit of meta should be distinct step at least.

Would save on duplicated ops -- e.g. re-editing hbase:meta and dispatching another RPC --
if we fail going into finishing. [~Apache9] brings up our perhaps masking other state change
hiccups when steps are so coarse-grained.

Do same for unassignprocedure.



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