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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5051) Propagate cache status information from the DataNode to the NameNode
Date Thu, 15 Aug 2013 14:47:52 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5051?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13741009#comment-13741009

Hudson commented on HDFS-5051:

FAILURE: Integrated in Hadoop-Mapreduce-trunk #1519 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1519/])
HDFS-5051. nn fails to download checkpointed image from snn in some setups. Contributed by
Vinay and Suresh Srinivas. (suresh: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1514110)
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/GetImageServlet.java

> Propagate cache status information from the DataNode to the NameNode
> --------------------------------------------------------------------
>                 Key: HDFS-5051
>                 URL: https://issues.apache.org/jira/browse/HDFS-5051
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode, namenode
>            Reporter: Colin Patrick McCabe
>            Assignee: Andrew Wang
>         Attachments: hdfs-5051-1.patch, hdfs-5051-2.patch
> The DataNode needs to inform the NameNode of its current cache state. Let's wire up the
RPCs and stub out the relevant methods on the DN and NN side.

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