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https://issues.apache.org/jira/browse/HADOOP-16101?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16763826#comment-16763826
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Sean Mackrory commented on HADOOP-16101:
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The other detail here is that we don't think we need to do a HEAD at all before
doing the actual GET work when reading.
> 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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