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https://issues.apache.org/jira/browse/HDFS-9724?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15124610#comment-15124610
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Akira AJISAKA commented on HDFS-9724:
-------------------------------------
My test on trunk. Created 10000 files at {{/tmp/test}} and list them.
{noformat}
[root@trunk ~]# time curl
'http://trunk:50070/webhdfs/v1/tmp/test/?op=LISTSTATUS' | wc
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 2440k 0 2440k 0 0 408k 0 --:--:-- 0:00:05 --:--:-- 413k
10002 10002 2498929
real 0m5.978s
user 0m0.093s
sys 0m0.011s
{noformat}
> 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
>
> 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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