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https://issues.apache.org/jira/browse/HDFS-10823?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15457676#comment-15457676
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Xiao Chen commented on HDFS-10823:
----------------------------------

Thanks Andrew for the nice investigation and thoughts here. I've only done 
HDFS-10481 with httpfs, which is too trivial a jira to understand deeply...

If I understand this right, the main difference is for webhdfs in HDFS-10784, 
we can conveniently batch via {{NamenodeWebHdfsMethods#getDirectoryListing}}. 
But without such method for httpfs, we have to find our own way to batch. 
Sounds big....

Could you explain why HttpFSServer is essentially doing webhdfs -> fs -> 
webhdfs? I hope we can find a place to hook up on webhdfs and batch from there.

Sorry if I got it wrong somewhere, please feel free to correct me.

> Implement HttpFSFileSystem#listStatusIterator
> ---------------------------------------------
>
>                 Key: HDFS-10823
>                 URL: https://issues.apache.org/jira/browse/HDFS-10823
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: httpfs
>    Affects Versions: 2.6.4
>            Reporter: Andrew Wang
>            Assignee: Andrew Wang
>
> Let's expose the same functionality added in HDFS-10784 for WebHDFS in HttpFS 
> too.



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