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From "rajeshbabu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-9203) Secondary index support through coprocessors
Date Tue, 11 Feb 2014 06:53:28 GMT

    [ https://issues.apache.org/jira/browse/HBASE-9203?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13897580#comment-13897580
] 

rajeshbabu commented on HBASE-9203:
-----------------------------------

bq. What abt the Master and collocation and balancer side changes? 
As of now there are two APIs to update/remove region location in the custom balancer.
These APIs should be called when region is online or offline.









> Secondary index support through coprocessors
> --------------------------------------------
>
>                 Key: HBASE-9203
>                 URL: https://issues.apache.org/jira/browse/HBASE-9203
>             Project: HBase
>          Issue Type: New Feature
>            Reporter: rajeshbabu
>            Assignee: rajeshbabu
>         Attachments: SecondaryIndex Design.pdf, SecondaryIndex Design_Updated.pdf, SecondaryIndex
Design_Updated_2.pdf
>
>
> We have been working on implementing secondary index in HBase and open sourced  on hbase
0.94.8 version.
> The project is available on github.
> https://github.com/Huawei-Hadoop/hindex
> This Jira is to support secondary index on trunk(0.98).
> Following features will be supported.
> -          multiple indexes on table,
> -          multi column index,
> -          index based on part of a column value,
> -          equals and range condition scans using index, and
> -          bulk loading data to indexed table (Indexing done with bulk load)
> Most of the kernel changes needed for secondary index is available in trunk. Very minimal
changes needed for it.



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