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Posted to dev@hive.apache.org by "Gopal V (JIRA)" <ji...@apache.org> on 2014/10/11 02:52:33 UTC

[jira] [Resolved] (HIVE-8369) SimpleFetchOptimizer needs to re-enable FS caching before scanning dirs

     [ 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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