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https://issues.apache.org/jira/browse/HDFS-9724?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15130942#comment-15130942
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Haohui Mai commented on HDFS-9724:
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bq. AFAIK, we don't have a re-entrant call pattern in WebHDFS though, and we
just need to worry about thread-safety. Am I missing something?
Thanks Chris for bringing this up. I just checked the code and confirmed your
statement. I think this change is safe.
It might be beneficial to add a comment to document the assumption.
> WebHDFS listing is too slow after HDFS-6565
> -------------------------------------------
>
> Key: HDFS-9724
> URL: https://issues.apache.org/jira/browse/HDFS-9724
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: performance
> Affects Versions: 2.7.0
> Reporter: Akira AJISAKA
> Assignee: Akira AJISAKA
> Priority: Critical
> Attachments: HDFS-9724-branch-2.7.01.patch, HDFS-9724.01.patch,
> HDFS-9724.02.patch
>
>
> Eremikhin Alexey reported at user ML that WebHDFS listing is too slow because
> of HDFS-6565.
> https://mail-archives.apache.org/mod_mbox/hadoop-hdfs-user/201601.mbox/%3C56AB857B.6020105%40corp.badoo.com%3E
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