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Posted to dev@lens.apache.org by "Amareshwari Sriramadasu (JIRA)" <ji...@apache.org> on 2015/07/10 06:55:04 UTC

[jira] [Updated] (LENS-183) Cost estimation for JDBC queries

     [ https://issues.apache.org/jira/browse/LENS-183?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Amareshwari Sriramadasu updated LENS-183:
-----------------------------------------
    Labels: Hackathon-July  (was: )

> Cost estimation for JDBC queries
> --------------------------------
>
>                 Key: LENS-183
>                 URL: https://issues.apache.org/jira/browse/LENS-183
>             Project: Apache Lens
>          Issue Type: New Feature
>          Components: driver-jdbc
>    Affects Versions: 2.1
>            Reporter: Sushil Mohanty
>            Assignee: Sushil Mohanty
>              Labels: Hackathon-July
>
> Currently there is no mechanism for estimating query cost prior to execution in jdbc driver. High latency queries will be expensive to run in jdbc. With proper cost estimation such queries can be routed to appropriate driver.



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