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https://issues.apache.org/jira/browse/HDFS-8894?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15059373#comment-15059373
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Hudson commented on HDFS-8894:
------------------------------
FAILURE: Integrated in Hadoop-Hdfs-trunk-Java8 #696 (See
[https://builds.apache.org/job/Hadoop-Hdfs-trunk-Java8/696/])
HDFS-8894. Set SO_KEEPALIVE on DN server sockets. Contributed by Kanaka (wang:
rev 49949a4bb03aa81cbb9115e91ab1c61cc6dc8a62)
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataXceiver.java
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
*
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/DataStreamer.java
> Set SO_KEEPALIVE on DN server sockets
> -------------------------------------
>
> Key: HDFS-8894
> URL: https://issues.apache.org/jira/browse/HDFS-8894
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode
> Affects Versions: 2.7.1
> Reporter: Nathan Roberts
> Assignee: Kanaka Kumar Avvaru
> Fix For: 2.8.0
>
> Attachments: HDFS-8894-01.patch, HDFS-8894-01.patch,
> HDFS-8894-02.patch, HDFS-8894-03.patch, HDFS-8894-04.patch
>
>
> SO_KEEPALIVE is not set on things like datastreamer sockets which can cause
> lingering ESTABLISHED sockets when there is a network glitch.
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