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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-7221) When Namenode network is unplugged, DFSClient operations waits for ever
Date Tue, 03 May 2011 15:20:03 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-7221?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13028262#comment-13028262
] 

Steve Loughran commented on HADOOP-7221:
----------------------------------------

# which version are you seeing this on?
# when you say unplugged, do you mean the ethernet port of your local machine came unplugged,
or the connection to the remote server failed?
# Can you add the stack trace you see in the exceptions, to show where the problem is?

This is an HDFS problem, so re-assigning there


> When Namenode network is unplugged, DFSClient operations waits for ever
> -----------------------------------------------------------------------
>
>                 Key: HADOOP-7221
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7221
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: hdfs client
>            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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