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From "Gopal V (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HIVE-8369) SimpleFetchOptimizer needs to re-enable FS caching before scanning dirs
Date Sat, 11 Oct 2014 00:52:33 GMT

     [ https://issues.apache.org/jira/browse/HIVE-8369?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Gopal V resolved HIVE-8369.
---------------------------
    Resolution: Duplicate

> SimpleFetchOptimizer needs to re-enable FS caching before scanning dirs
> -----------------------------------------------------------------------
>
>                 Key: HIVE-8369
>                 URL: https://issues.apache.org/jira/browse/HIVE-8369
>             Project: Hive
>          Issue Type: Bug
>          Components: Physical Optimizer
>    Affects Versions: 0.14.0
>            Reporter: Gopal V
>
> SimpleFetchOptimizer spends a lot of CPU within itself because hive disables HDFS fs
caching (fs.hdfs.impl.disable.cache).
> SimpleFetchOptimizer needs a revisit for its optimization rules, along with a fix for
this case.



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