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https://issues.apache.org/jira/browse/HADOOP-13404?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Peter Shi resolved HADOOP-13404.
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Resolution: Not A Problem
> RPC call hangs when server side CPU overloaded
> ----------------------------------------------
>
> Key: HADOOP-13404
> URL: https://issues.apache.org/jira/browse/HADOOP-13404
> Project: Hadoop Common
> Issue Type: Bug
> Reporter: Peter Shi
>
> In our reliability test, in namenode, inject fault like cpu 100% consumed,
> after fault injection, for existing connection, all the request will hangs
> forever, not timeout. for new coming connection, it will failover to another
> namenode in HA deployment.
> There is no timeout mechanism for calls on established connection.
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