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https://issues.apache.org/jira/browse/HDFS-3596?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Colin Patrick McCabe updated HDFS-3596:
---------------------------------------

    Attachment: HDFS-3596-b1.001.patch

Patch for branch-1.

Tested with: TestCheckpoint, TestEditLog, TestNameNodeRecovery, 
TestEditLogLoading, TestNameNodeMXBean, TestSaveNamespace, 
TestSecurityTokenEditLog, TestStorageDirectoryFailure, TestEditLogToleration, 
TestStorageRestore

                
> Improve FSEditLog pre-allocation in branch-1
> --------------------------------------------
>
>                 Key: HDFS-3596
>                 URL: https://issues.apache.org/jira/browse/HDFS-3596
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>    Affects Versions: 1.1.0
>            Reporter: Colin Patrick McCabe
>            Assignee: Colin Patrick McCabe
>            Priority: Minor
>             Fix For: 1.1.0
>
>         Attachments: HDFS-3596-b1.001.patch
>
>
> Implement HDFS-3510 in branch-1.  This will improve FSEditLog preallocation 
> to decrease the incidence of corrupted logs after disk full conditions.  (See 
> HDFS-3510 for a longer description.)

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