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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8077) Erasure coding: fix bug in EC zone and symlinks
Date Wed, 30 Sep 2015 19:35:32 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8077?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14938395#comment-14938395
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Hudson commented on HDFS-8077:
------------------------------

FAILURE: Integrated in Hadoop-Mapreduce-trunk #2408 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk/2408/])
HDFS-8077. Erasure coding: fix bugs in EC zone and symlinks. Contributed (zhezhang: rev 4d0bc724f29b646e252f53d1c654a23e8526a4bf)
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImageSerialization.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestRecoverStripedBlocks.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/ErasureCodingZoneManager.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSEditLogLoader.java
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFSImage.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockInfoStripedUnderConstruction.java
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFSEditLogLoader.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/INodeFile.java


> Erasure coding: fix bug in EC zone and symlinks
> -----------------------------------------------
>
>                 Key: HDFS-8077
>                 URL: https://issues.apache.org/jira/browse/HDFS-8077
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Zhe Zhang
>            Assignee: Jing Zhao
>             Fix For: HDFS-7285
>
>         Attachments: HDFS-8077-000.patch, HDFS-8077.001.patch, HDFS-8077.002.patch
>
>
> EC zone manager tries to get XAttr of an inode to determine the EC policy, which doesn't
work with symlinks. This patch has a simple fix to get rid of test failures.
> Ideally we should also add logic to disallow creating symlinks in several EC-related
scenarios. But since symlinks are disabled in branch-2 and will likely be disabled in trunk,
this step is skipped now.
> The patch also fixes a small test error around {{getBlockReplication}}



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