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https://issues.apache.org/jira/browse/HDFS-8545?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14742956#comment-14742956
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J.Andreina commented on HDFS-8545:
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Thanks [~wheat9] for the review comments.
bq.My question is whether there are any use cases where the command line tool
is insufficient and you absolutely need a new API for this?
Command line tool is useful for admins to check manually.
API will help to get the same detail programmatically by the user applications.
> Add an API to fetch the total file length from a specific path, apart from
> getting by default from root
> -------------------------------------------------------------------------------------------------------
>
> Key: HDFS-8545
> URL: https://issues.apache.org/jira/browse/HDFS-8545
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: J.Andreina
> Assignee: J.Andreina
> Priority: Minor
> Attachments: HDFS-8545.1.patch, HDFS-8545.2.patch, HDFS-8545.3.patch,
> HDFS-8545.4.patch
>
>
> Currently by default in FileSystem#getUsed() returns the total file size from
> root.
> It is good to have an api to return the total file size from specified path
> ,same as we specify the path in "./hdfs dfs -du -s /path" .
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