FAQ
When Namenode network is unplugged, DFSClient operations waits for ever
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Key: HADOOP-7221
URL: https://issues.apache.org/jira/browse/HADOOP-7221
Project: Hadoop Common
Issue Type: Bug
Components: ipc
Reporter: Uma Maheswara Rao G


When NN/DN is shutdown gracefully, the DFSClient operations which are waiting for a response from NN/DN, will throw exception & come out quickly

But when the NN/DN network is unplugged, the DFSClient operations which are waiting for a response from NN/DN, waits for ever.


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  • Uma Maheswara Rao G (JIRA) at Aug 22, 2012 at 9:04 pm
    [ https://issues.apache.org/jira/browse/HADOOP-7488?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

    Uma Maheswara Rao G resolved HADOOP-7488.
    -----------------------------------------

    Resolution: Duplicate
    When Namenode network is unplugged, DFSClient operations waits for ever
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    Key: HADOOP-7488
    URL: https://issues.apache.org/jira/browse/HADOOP-7488
    Project: Hadoop Common
    Issue Type: Bug
    Components: ipc
    Reporter: Uma Maheswara Rao G
    Assignee: Uma Maheswara Rao G
    Attachments: HADOOP-7488.patch


    When NN/DN is shutdown gracefully, the DFSClient operations which are waiting for a response from NN/DN, will throw exception & come out quickly
    But when the NN/DN network is unplugged, the DFSClient operations which are waiting for a response from NN/DN, waits for ever.
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