hive-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "liyunzhang_intel (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-17545) Make HoS RDD Cacheing Optimization Configurable
Date Mon, 25 Sep 2017 06:46:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-17545?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16178604#comment-16178604
] 

liyunzhang_intel commented on HIVE-17545:
-----------------------------------------

[~stakiar]: why need to make RDD caching optimization configurable?  Is there any problem
or performance degradation if enable rdd cache optimization?


> 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
>         Attachments: HIVE-17545.1.patch, HIVE-17545.2.patch
>
>
> 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.



--
This message was sent by Atlassian JIRA
(v6.4.14#64029)

Mime
View raw message