[jira] [Resolved] (HBASE-7716) Row Groups / Row Family / Entity Groups in HBase

["Andrew Kyle Purtell (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-7716?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Kyle Purtell resolved HBASE-7716.
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    Resolution: Won't Fix

> Row Groups / Row Family / Entity Groups in HBase
> ------------------------------------------------
>
>                 Key: HBASE-7716
>                 URL: https://issues.apache.org/jira/browse/HBASE-7716
>             Project: HBase
>          Issue Type: New Feature
>          Components: Client, regionserver
>            Reporter: Enis Soztutar
>            Priority: Major
>         Attachments: Entity Groups in HBase.txt
>
>
> This issue is to discuss the possible addition to the HBase data model for "Row Groups".
> As we are nearing 1.0, discussing this for 0.98 seems the right time, especially given that we have custom region split policies, local transactions, and API overhaul around data types -> bytes. 
> Row Groups are semantic groupings of rows in the Hbase data model. All rows within a given row group share the same row group key. 
> Row groups are similar to column families in HBase or locality groups in BigTable, but transposed to rows instead of columns. All the rows within a row group physically belong together, and served by a single region. This means that region boundaries cannot split the row group. 
> Row groups are not predefined, and are dynamic. There can be one row group per row. 
> Row keys are fully optional, and backwards compatible. 



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