[jira] [Commented] (HBASE-18229) create new Async Split API to embrace AM v2

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

    [ https://issues.apache.org/jira/browse/HBASE-18229?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16052468#comment-16052468 ] 

Yi Liang commented on HBASE-18229:
----------------------------------

Hi [~stack], 
  I just finished the patch of creating new AsyncSplit Api, and this API goes to HBaseAdmin. Will add those api to AsyncHBaseAdmin as well in next patch, just upload this draft one to see if it can passs the tests.
  When input splitRow is null, I add a new rpc call (GetBestSplitPointResponse) instead of add to the GetRegionInfoResponse protobuf

> create new Async Split API to embrace AM v2
> -------------------------------------------
>
>                 Key: HBASE-18229
>                 URL: https://issues.apache.org/jira/browse/HBASE-18229
>             Project: HBase
>          Issue Type: Sub-task
>          Components: proc-v2
>            Reporter: Yi Liang
>            Assignee: Yi Liang
>
> See HBASE-18105 for related information,  this jira will change the logic of Path 1 in splitProcedure, the execution path will be:
> *HBaseAdmin.splitRegionAsync -> MasterKeepAliveConnection.splitRegion  ->  MasterRpcServices.splitRegion  ->  HMaster.splitRegion-> AssignmentManager.submitProcedure*
> Master Will no longer as Rs and then Rs turn around to ask master to do the split operation. 



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