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https://issues.apache.org/jira/browse/HADOOP-2757?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12703349#action_12703349
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Hairong Kuang commented on HADOOP-2757:
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> In the case when all the datanode(s) in a pipeline go down but the namenode
> is alive, the close still hangs. is this the case you are referring to?
Yes, if the dfs client hang is caused by down datanodes, then HADOOP-4703
should fix the problem. Could you please doublecheck if this is true?
> Should DFS outputstream's close wait forever?
> ---------------------------------------------
>
> Key: HADOOP-2757
> URL: https://issues.apache.org/jira/browse/HADOOP-2757
> Project: Hadoop Core
> Issue Type: Improvement
> Components: dfs
> Reporter: Raghu Angadi
> Assignee: dhruba borthakur
> Attachments: softMount1.patch, softMount1.patch, softMount2.patch
>
>
> Currently {{DFSOutputStream.close()}} waits for ever if Namenode keeps
> throwing {{NotYetReplicated}} exception, for whatever reason. Its pretty
> annoying for a user. Shoud the loop inside close have a timeout? If so how
> much? It could probably something like 10 minutes.
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