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https://issues.apache.org/jira/browse/HADOOP-13427?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chris Nauroth updated HADOOP-13427:
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Summary: Eliminate needless uses of FileSystem.exists, isFile, isDirectory
(was: Eliminate needless uses of FileSystem.exists, iisFile, isDirectory )
> Eliminate needless uses of FileSystem.exists, isFile, isDirectory
> ------------------------------------------------------------------
>
> Key: HADOOP-13427
> URL: https://issues.apache.org/jira/browse/HADOOP-13427
> Project: Hadoop Common
> Issue Type: Improvement
> Components: fs
> Affects Versions: 2.8.0
> Reporter: Steve Loughran
>
> We're cleaning up Hive and Spark's use of FileSystem.exists, because it is
> often the case we see code of exists+open, exists+delete, when the exists
> probe is needless. Against object stores, expensive needless.
> Hadoop can set an example here by stripping them out. It will also show where
> there are opportunities to optimise things better and/or improve reporting.
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