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https://issues.apache.org/jira/browse/HDFS-14718?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18046765#comment-18046765
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ASF GitHub Bot commented on HDFS-14718:
---------------------------------------
github-actions[bot] commented on PR #1270:
URL: https://github.com/apache/hadoop/pull/1270#issuecomment-3677073637
We're closing this stale PR because it has been open for 100 days with no
activity. This isn't a judgement on the merit of the PR in any way. It's just a
way of keeping the PR queue manageable.
If you feel like this was a mistake, or you would like to continue working
on it, please feel free to re-open it and ask for a committer to remove the
stale tag and review again.
Thanks all for your contribution.
> HttpFS: Sort response by key names as WebHDFS does
> --------------------------------------------------
>
> Key: HDFS-14718
> URL: https://issues.apache.org/jira/browse/HDFS-14718
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: httpfs
> Reporter: Siyao Meng
> Assignee: Siyao Meng
> Priority: Major
> Labels: pull-request-available
> Time Spent: 10m
> Remaining Estimate: 0h
>
> *Example*
> See description of HDFS-14665 for an example of LISTSTATUS.
> *Analysis*
> WebHDFS is [using a
> TreeMap|https://github.com/apache/hadoop/blob/99bf1dc9eb18f9b4d0338986d1b8fd2232f1232f/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/JsonUtil.java#L120]
> to serialize HdfsFileStatus, while HttpFS [uses a
> LinkedHashMap|https://github.com/apache/hadoop/blob/6fcc5639ae32efa5a5d55a6b6cf23af06fc610c3/hadoop-hdfs-project/hadoop-hdfs-httpfs/src/main/java/org/apache/hadoop/fs/http/server/FSOperations.java#L107]
> to serialize FileStatus.
> *Questions*
> Why the difference? Is this intentional?
> - I looked into the Git history. It seems it's simply because WebHDFS uses
> TreeMap from the beginning; and HttpFS uses LinkedHashMap from the beginning.
> It is not only limited to LISTSTATUS, but ALL other request's JSON
> serialization.
> Now the real question: Could/Should we replace ALL LinkedHashMap into TreeMap
> in HttpFS serialization in FSOperations class?
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