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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7456) De-duplicate AclFeature instances with same AclEntries do reduce memory footprint of NameNode
Date Tue, 23 Dec 2014 15:32:14 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7456?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14257089#comment-14257089
] 

Hudson commented on HDFS-7456:
------------------------------

SUCCESS: Integrated in Hadoop-Mapreduce-trunk #2001 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk/2001/])
HDFS-7456. De-duplicate AclFeature instances with same AclEntries do reduce memory footprint
of NameNode (Contributed by Vinayakumar B) (vinayakumarb: rev 50ae1a6664a92619aa683d2a864d0da9fb4af026)
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestAclWithSnapshot.java
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFileContextAcl.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/snapshot/FileWithSnapshotFeature.java
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/FSAclBaseTest.java
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/INodeFile.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/AclFeature.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/AclStorage.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/INodeAttributes.java
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestNameNodeAcl.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/snapshot/DirectoryWithSnapshotFeature.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/INodeDirectory.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/util/ReferenceCountMap.java
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/web/TestWebHDFSAcl.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/INodeWithAdditionalFields.java


> De-duplicate AclFeature instances with same AclEntries do reduce memory footprint of
NameNode
> ---------------------------------------------------------------------------------------------
>
>                 Key: HDFS-7456
>                 URL: https://issues.apache.org/jira/browse/HDFS-7456
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: namenode
>            Reporter: Vinayakumar B
>            Assignee: Vinayakumar B
>             Fix For: 2.7.0
>
>         Attachments: HDFS-7456-001.patch, HDFS-7456-002.patch, HDFS-7456-003.patch, HDFS-7456-004.patch,
HDFS-7456-005.patch, HDFS-7456-006.patch, HDFS-7456-007.patch, HDFS-7456-008.patch, HDFS-7456-009.patch
>
>
> As discussed  in HDFS-7454 [here|https://issues.apache.org/jira/browse/HDFS-7454?focusedCommentId=14229454&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14229454],
de-duplication of {{AclFeature}} helps in reducing the memory footprint of the namenode.



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