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https://issues.apache.org/jira/browse/HBASE-5457?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13214126#comment-13214126
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stack commented on HBASE-5457:
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bq. So if we can add inline block index on required columns, the second column
family then is not needed.
What would this look like He?
> add inline index in data block for data which are not clustered together
> ------------------------------------------------------------------------
>
> Key: HBASE-5457
> URL: https://issues.apache.org/jira/browse/HBASE-5457
> Project: HBase
> Issue Type: New Feature
> Reporter: He Yongqiang
>
> As we are go through our data schema, and we found we have one large column
> family which is just duplicating data from another column family and is just
> a re-org of the data to cluster data in a different way than the original
> column family in order to serve another type of queries efficiently.
> If we compare this second column family with similar situation in mysql, it
> is like an index in mysql. So if we can add inline block index on required
> columns, the second column family then is not needed.
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