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https://issues.apache.org/jira/browse/IMPALA-8080?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tim Armstrong resolved IMPALA-8080.
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Resolution: Later
> Improve planner to use disk attributes when applicable
> ------------------------------------------------------
>
> Key: IMPALA-8080
> URL: https://issues.apache.org/jira/browse/IMPALA-8080
> Project: IMPALA
> Issue Type: Improvement
> Reporter: Janaki Lahorani
> Priority: Major
>
> The disk seek time can vary depending on the underlying storage (Magnetic
> Disk, SSD, Flash etc) and the scan performance can change depending on the
> presence of buffer cache. The plan generation, Degree of Parallelism, and
> scheduling should look at these aspects to decide on the appropriate course
> of action.
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