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From "Yi Liang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-18229) create new Async Split API to embrace AM v2
Date Fri, 23 Jun 2017 17:20:00 GMT

    [ https://issues.apache.org/jira/browse/HBASE-18229?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16061253#comment-16061253

Yi Liang commented on HBASE-18229:

most of  above unit test are caused by Quota. In current SplitProcedure, we did not consider
Quota when split, some table may have max limit of n regions, so we can not split this table
when it already has n regions. Same to mergerProcedure. new patch attached to fix it. 

> 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
>         Attachments: HBase-18229-master-v1.patch, hbase-18229-master-v2.patch, HBASE-18229-master-v3.patch
> 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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