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https://issues.apache.org/jira/browse/HIVE-14323?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ashutosh Chauhan updated HIVE-14323:
------------------------------------
Resolution: Fixed
Fix Version/s: 2.2.0
Status: Resolved (was: Patch Available)
Pushed to master. Thanks, Rajesh!
> Reduce number of FS permissions and redundant FS operations
> -----------------------------------------------------------
>
> Key: HIVE-14323
> URL: https://issues.apache.org/jira/browse/HIVE-14323
> Project: Hive
> Issue Type: Improvement
> Reporter: Rajesh Balamohan
> Assignee: Rajesh Balamohan
> Priority: Minor
> Fix For: 2.2.0
>
> Attachments: HIVE-14323.1.patch, HIVE-14323.2.patch,
> HIVE-14323.3.patch
>
>
> Some examples are given below.
> 1. When creating stage directory, FileUtils sets the directory permissions by
> running a set of chgrp and chmod commands. In systems like S3, this would not
> be relevant.
> 2. In some cases, fs.delete() is followed by fs.exists(). In this case, it
> might be redundant to check for exists() (lookup ops are expensive in systems
> like S3).
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