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From "Ming Ma (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8690) LeaseRenewer should not abort DFSClient when renew fails
Date Mon, 06 Jul 2015 21:52:05 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8690?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14615732#comment-14615732
] 

Ming Ma commented on HDFS-8690:
-------------------------------

We actually deployed a slightly modified version of https://issues.apache.org/jira/secure/attachment/12680729/HDFS-7314-7.patch
on our production clusters early this year. I will update HDFS-7314 with the patch. Let us
continue the discussion in HDFS-7314, especially if we should fix the existing race conditions
altogether.

> LeaseRenewer should not abort DFSClient when renew fails
> --------------------------------------------------------
>
>                 Key: HDFS-8690
>                 URL: https://issues.apache.org/jira/browse/HDFS-8690
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: hdfs-client
>            Reporter: Chang Li
>            Assignee: Chang Li
>         Attachments: HDFS-8690.1.patch
>
>
> The lease renewer special cases SocketTimeoutExceptions to abort the DFSClient.  Aborting
causes the client to be permanently unusable, which causes filesystem instances to stop working.
 All other IOExceptions do not abort.  The special case should be removed and/or abort should
not completely shutdown the proxy.



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