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Posted to issues@tajo.apache.org by "Jihoon Son (JIRA)" <ji...@apache.org> on 2014/06/16 06:26:01 UTC

[jira] [Updated] (TAJO-835) (Umbrella) Index support

     [ https://issues.apache.org/jira/browse/TAJO-835?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jihoon Son updated TAJO-835:
----------------------------

    Fix Version/s:     (was: 0.9.0)

> (Umbrella) Index support
> ------------------------
>
>                 Key: TAJO-835
>                 URL: https://issues.apache.org/jira/browse/TAJO-835
>             Project: Tajo
>          Issue Type: New Feature
>            Reporter: Jihoon Son
>            Priority: Minor
>
> Indexes are widely used to reduce I/O overhead in databases.
> In Tajo, some index structures such as BST are already implemented, but their usages are very limited. Currently, only BST is used for range partition.
> The better utilization of indexes can improve the query performance.



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