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https://issues.apache.org/jira/browse/HDFS-17134?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiaoqiao He resolved HDFS-17134.
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Fix Version/s: 3.4.0
Hadoop Flags: Reviewed
Resolution: Fixed
> RBF: Fix duplicate results of getListing through Router.
> --------------------------------------------------------
>
> Key: HDFS-17134
> URL: https://issues.apache.org/jira/browse/HDFS-17134
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Shuyan Zhang
> Assignee: Shuyan Zhang
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.4.0
>
>
> The result of `getListing` in NameNode are sorted based on `byte[]`, while
> the Router side is based on `String`. If there are special characters in
> path, the sorting result of the router will be inconsistent with the
> namenode. This may result in duplicate `getListing` results obtained by the
> client due to wrong `startAfter` parameter.
> For exemple, namenode returns [path1, path2, path3] for a `getListing`
> request, while router returns [path1, path3, path2] to client. Then client
> will pass `path2` as `startAfter` at the next iteration, so it will receive
> `path3` again.
> We need to fix the Router code so that the order of its result is the same as
> NameNode.
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