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https://issues.apache.org/jira/browse/HDFS-13266?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16396110#comment-16396110
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Xiaoyu Yao commented on HDFS-13266:
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[~csun] , I would suggest adding your analysis to HDFS-11043 and continue work
with [~jzhuge] and others there. Thanks!
> Fix TestWebHdfsTimeouts
> -----------------------
>
> Key: HDFS-13266
> URL: https://issues.apache.org/jira/browse/HDFS-13266
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: test, webhdfs
> Reporter: Chao Sun
> Assignee: Chao Sun
> Priority: Major
>
> {{TestWebHdfsTimeouts}} fails on Linux, in my case,
> {code}
> Linux version 4.4.38 (jenkins@debbuilder02-sjc1) (gcc version 4.9.2 (Debian
> 4.9.2-10) ) #1 SMP Mon Dec 12 09:01:31 UTC 2016)
> {code}
> However, the test succeeds on Mac. It seems this is due to a change on
> backlog queue implementation since Linux 2.2. See
> http://veithen.github.io/2014/01/01/how-tcp-backlog-works-in-linux.html.
> Therefore,
> [{{consumeConnectionBacklog}}|https://github.com/apache/hadoop/blob/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/web/TestWebHdfsTimeouts.java#L353]
> doesn't work as intended under Linux. We should figure out a way to fix this
> or disable the relevant tests.
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