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From "Arpit Agarwal (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-6925) DataNode should attempt to place replicas on transient storage first if lazyPersist flag is received
Date Sat, 23 Aug 2014 20:34:11 GMT

     [ https://issues.apache.org/jira/browse/HDFS-6925?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Arpit Agarwal updated HDFS-6925:
--------------------------------

    Affects Version/s: HDFS-6581

> DataNode should attempt to place replicas on transient storage first if lazyPersist flag
is received
> ----------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-6925
>                 URL: https://issues.apache.org/jira/browse/HDFS-6925
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode
>    Affects Versions: HDFS-6581
>         Environment: If the LazyPersist flag is received via DataTransferProtocol then
DN should attempt to place the files on RAM disk first, and failing that on regular disk.
> Support for lazily moving replicas from RAM disk to persistent storage will be added
later.
>            Reporter: Arpit Agarwal
>            Assignee: Arpit Agarwal
>         Attachments: HDFS-6925.01.patch
>
>




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