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https://issues.apache.org/jira/browse/HADOOP-16101?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16825160#comment-16825160
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Steve Loughran commented on HADOOP-16101:
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Update, I think the new openFile() builder should take a withSource(FileStatus)
param. If you already have the file status: no need to repeat yourself. We can
do the same for rename.
> Use lighter-weight alternatives to innerGetFileStatus where possible
> --------------------------------------------------------------------
>
> Key: HADOOP-16101
> URL: https://issues.apache.org/jira/browse/HADOOP-16101
> Project: Hadoop Common
> Issue Type: Sub-task
> Reporter: Sean Mackrory
> Priority: Major
>
> Discussion in HADOOP-15999 highlighted the heaviness of a full
> innerGetFileStatus call, where many usages of it may need a lighter weight
> fileExists, etc. Let's investigate usage of innerGetFileStatus and slim it
> down where possible.
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