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https://issues.apache.org/jira/browse/HADOOP-6099?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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dhruba borthakur updated HADOOP-6099:
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Attachment: ipcPing.txt
If ipc.client.ping is set to false, then the ipc Client does not send periodic
pings to IPC server. The default is set to true to maintain compatibility with
pre-existing semantics of sending periodic pings.
> 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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