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Posted to issues@hive.apache.org by "Sahil Takiar (JIRA)" <ji...@apache.org> on 2017/09/15 19:51:00 UTC

[jira] [Commented] (HIVE-17545) Make HoS RDD Cacheing Optimization Configurable

    [ https://issues.apache.org/jira/browse/HIVE-17545?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16168424#comment-16168424 ] 

Sahil Takiar commented on HIVE-17545:
-------------------------------------

Adding tests for this will be difficult until HIVE-17546 has been done.

> Make HoS RDD Cacheing Optimization Configurable
> -----------------------------------------------
>
>                 Key: HIVE-17545
>                 URL: https://issues.apache.org/jira/browse/HIVE-17545
>             Project: Hive
>          Issue Type: Improvement
>          Components: Physical Optimizer, Spark
>            Reporter: Sahil Takiar
>            Assignee: Sahil Takiar
>
> The RDD cacheing optimization add in HIVE-10550 is enabled by default. We should make it configurable in case users want to disable it. We can leave it on by default to preserve backwards compatibility.



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