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https://issues.apache.org/jira/browse/HADOOP-6099?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12727891#action_12727891
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dhruba borthakur commented on HADOOP-6099:
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@Konstantin: your assumption is right. is this ok with you?
> Allow configuring the IPC module to send pings
> ----------------------------------------------
>
> Key: HADOOP-6099
> URL: https://issues.apache.org/jira/browse/HADOOP-6099
> Project: Hadoop Common
> Issue Type: Improvement
> Components: ipc
> Reporter: dhruba borthakur
> Assignee: dhruba borthakur
> Attachments: ipcPing.txt
>
>
> The IPC Client sets a socketTimeout for the time period specified by the
> pingInterval and then sends a ping every pingInterval. This means that if a
> RPC server does not respond to a RPC client, then the RPC client blocks
> forever. This is a problem for applications that wants to switch quickly from
> one un-responsive HDFS cluster to a good one.
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