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https://issues.apache.org/jira/browse/PHOENIX-4703?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16834032#comment-16834032
 ] 

Hadoop QA commented on PHOENIX-4703:
------------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest 
attachment 
  
http://issues.apache.org/jira/secure/attachment/12967956/PHOENIX-4703-4.x.patch
  against master branch at commit bb1327ef89fb0844094470ada74cbe5071b43a0d.
  ATTACHMENT ID: 12967956

    {color:green}+1 @author{color}.  The patch does not contain any @author 
tags.

    {color:red}-1 tests included{color}.  The patch doesn't appear to include 
any new or modified tests.
                        Please justify why no new tests are needed for this 
patch.
                        Also please list what manual steps were performed to 
verify this patch.

    {color:red}-1 patch{color}.  The patch command could not apply the patch.

Console output: 
https://builds.apache.org/job/PreCommit-PHOENIX-Build/2557//console

This message is automatically generated.

> Provide an option to fully rebuild indexes asynchronously through SQL
> ---------------------------------------------------------------------
>
>                 Key: PHOENIX-4703
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-4703
>             Project: Phoenix
>          Issue Type: Bug
>            Reporter: Vincent Poon
>            Assignee: Gokcen Iskender
>            Priority: Major
>         Attachments: PHOENIX-4703-4.x.patch, PHOENIX-4703.patch
>
>          Time Spent: 4h 50m
>  Remaining Estimate: 0h
>
> Currently if we run "ALTER INDEX ... REBUILD" , all the rows in the index are 
> deleted and the index is rebuilt synchronously.
> "ALTER INEX ... REBUILD ASYNC" seems to be used for the IndexTool's partial 
> rebuild option, rebuilding from ASYNC_REBUILD_TIMESTAMP (PHOENIX-2890)
> So it seems currently the only way to fully rebuild is the drop the index, 
> and recreate it.  This is burdensome as it requires have the schema DDL.
> We should have an option to fully rebuild asynchronously, that has the same 
> semantics as dropping and recreating the index.  A further advantage of this 
> is we can maintain the splits of the index table while dropping its data.  We 
> are currently seeing issues where rebuilding a large table via a MR job 
> results in hotspotting due to all data regions writing to the same index 
> region at the start.
>  



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