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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7381) Decouple the management of block id and gen stamps from FSNamesystem
Date Wed, 12 Nov 2014 14:02:43 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7381?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14208053#comment-14208053
] 

Hudson commented on HDFS-7381:
------------------------------

FAILURE: Integrated in Hadoop-Hdfs-trunk #1931 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk/1931/])
HDFS-7381. Decouple the management of block id and gen stamps from FSNamesystem. Contributed
by Haohui Mai. (wheat9: rev 571e9c623241106dad5521a870fb8daef3f2b00a)
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestSaveNamespace.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImageFormat.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/SequentialBlockIdGenerator.java
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestSequentialBlockId.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImageFormatProtobuf.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/SequentialBlockIdGenerator.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockIdManager.java
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestSequentialBlockId.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSEditLogLoader.java


> Decouple the management of block id and gen stamps from FSNamesystem
> --------------------------------------------------------------------
>
>                 Key: HDFS-7381
>                 URL: https://issues.apache.org/jira/browse/HDFS-7381
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Haohui Mai
>            Assignee: Haohui Mai
>             Fix For: 2.7.0
>
>         Attachments: HDFS-7381.000.patch
>
>
> The block layer should be responsible of managing block ids and generation stamps. Currently
the functionality is misplace into {{FSNamesystem}}.
> This jira proposes to decouple them from the {{FSNamesystem}} class.



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