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https://issues.apache.org/jira/browse/HDFS-9895?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15494739#comment-15494739
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Hudson commented on HDFS-9895:
------------------------------

SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #10446 (See 
[https://builds.apache.org/job/Hadoop-trunk-Commit/10446/])
HDFS-9895. Remove unnecessary conf cache from DataNode. Contributed by (arp: 
rev ec3ea188753e2c138a64e10303c8751116dc4e80)
* (edit) 
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DNConf.java
* (edit) 
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestBPOfferService.java
* (edit) 
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java
* (edit) 
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BlockScanner.java
* (edit) 
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataXceiverLazyPersistHint.java
* (edit) 
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/TestFsDatasetImpl.java


> Remove unnecessary conf cache from DataNode
> -------------------------------------------
>
>                 Key: HDFS-9895
>                 URL: https://issues.apache.org/jira/browse/HDFS-9895
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode
>            Reporter: Xiaobing Zhou
>            Assignee: Xiaobing Zhou
>             Fix For: 3.0.0-alpha2
>
>         Attachments: HDFS-9895-HDFS-9000.002.patch, 
> HDFS-9895-HDFS-9000.003.patch, HDFS-9895.000.patch, HDFS-9895.001.patch
>
>
> Since DataNode inherits ReconfigurableBase with Configured as base class 
> where configuration is maintained, DataNode#conf should be removed for the 
> purpose of brevity.



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