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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6931) Move lazily persisted replicas to finalized directory on DN startup
Date Thu, 02 Oct 2014 13:04:41 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6931?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14156508#comment-14156508
] 

Hudson commented on HDFS-6931:
------------------------------

FAILURE: Integrated in Hadoop-Mapreduce-trunk #1914 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1914/])
HDFS-6931. Move lazily persisted replicas to finalized directory on DN startup. (Arpit Agarwal)
(arp: rev c92837aeab5188f6171d4016f91b3b4936a66beb)
* hadoop-hdfs-project/hadoop-hdfs/CHANGES-HDFS-6581.txt
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/BlockPoolSlice.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetImpl.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsVolumeList.java
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/TestLazyPersistFiles.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsVolumeImpl.java


> Move lazily persisted replicas to finalized directory on DN startup
> -------------------------------------------------------------------
>
>                 Key: HDFS-6931
>                 URL: https://issues.apache.org/jira/browse/HDFS-6931
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode
>            Reporter: Arpit Agarwal
>            Assignee: Arpit Agarwal
>             Fix For: 3.0.0
>
>         Attachments: HDFS-6931.01.patch
>
>
> On restart the DN should move replicas from the {{current/lazyPersist/}} directory to
{{current/finalized}}. Duplicate replicas of the same block should be deleted from RAM disk.



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