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From "Juan Yu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-6652) RecoverLease cannot success and file cannot be closed under high load
Date Thu, 10 Jul 2014 00:12:07 GMT

     [ https://issues.apache.org/jira/browse/HDFS-6652?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Juan Yu updated HDFS-6652:
--------------------------

    Attachment: testLeaseRecoveryWithMultiWriters.patch

Here is an unit test to reproduce this issue.

> RecoverLease cannot success and file cannot be closed under high load
> ---------------------------------------------------------------------
>
>                 Key: HDFS-6652
>                 URL: https://issues.apache.org/jira/browse/HDFS-6652
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Juan Yu
>            Priority: Minor
>         Attachments: testLeaseRecoveryWithMultiWriters.patch
>
>
> When there are multiple clients try to write to the same file frequently, there is chance
that block state goes wrong so lease recovery cannot be done and  file cannot be closed.



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