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Posted to common-dev@hadoop.apache.org by "Doug Cutting (JIRA)" <ji...@apache.org> on 2008/09/16 19:30:44 UTC

[jira] Reopened: (HADOOP-656) dfs locking doesn't notify the application when a lock is lost

     [ https://issues.apache.org/jira/browse/HADOOP-656?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Doug Cutting reopened HADOOP-656:
---------------------------------


Shouldn't have been resolved as "fixed".

> dfs locking doesn't notify the application when a lock is lost
> --------------------------------------------------------------
>
>                 Key: HADOOP-656
>                 URL: https://issues.apache.org/jira/browse/HADOOP-656
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: dfs
>    Affects Versions: 0.7.2
>            Reporter: Owen O'Malley
>            Assignee: Sameer Paranjpye
>
> DFS locks may be lost for failing to renew the lease on time, but the application is not notified about the loss of the lock and may therefore perform operations assuming it has the lock, even though the lock has been given to another process. I propose that DFS operations check to see if that client has lost a lock since the last check and if so throw a LostLockException.

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