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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5450) better API for getting the cached blocks locations
Date Wed, 13 Nov 2013 11:13:40 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13821204#comment-13821204
] 

Hudson commented on HDFS-5450:
------------------------------

SUCCESS: Integrated in Hadoop-Yarn-trunk #390 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk/390/])
HDFS-5450. better API for getting the cached blocks locations. Contributed by Andrew Wang.
(wang: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1541338)
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/BlockLocation.java
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestBlockLocation.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/fs/HdfsBlockLocation.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSUtil.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/JsonUtil.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestFsDatasetCache.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestPathBasedCacheRequests.java


> better API for getting the cached blocks locations
> --------------------------------------------------
>
>                 Key: HDFS-5450
>                 URL: https://issues.apache.org/jira/browse/HDFS-5450
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: hdfs-client
>    Affects Versions: 3.0.0
>            Reporter: Colin Patrick McCabe
>            Assignee: Andrew Wang
>            Priority: Minor
>             Fix For: 3.0.0
>
>         Attachments: hdfs-5450-1.patch, hdfs-5450-2.patch, hdfs-5450-3.patch, hdfs-5450-4.patch,
hdfs-5450-5.patch
>
>
> Currently, we have to downcast the {{BlockLocation}} to {{HdfsBlockLocation}} to get
information about whether a replica is cached.  We should have this information in {{BlockLocation}}
instead.



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