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https://issues.apache.org/jira/browse/HDFS-8894?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14947960#comment-14947960
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Andrew Wang commented on HDFS-8894:
-----------------------------------
Hey Kanaka, this patch needs a little rebase since DataStreamer moved. I'm +1
though pending, sorry about the delay in getting to this.
> 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
> Attachments: HDFS-8894-01.patch, HDFS-8894-01.patch,
> HDFS-8894-02.patch, HDFS-8894-03.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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