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https://issues.apache.org/jira/browse/HDFS-14849?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16940099#comment-16940099
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Hudson commented on HDFS-14849:
-------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #17410 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/17410/])
Revert "HDFS-14849. Erasure Coding: the internal block is replicated
(ayushsaxena: rev 0d5d0b914ac959ce2c41f483ac5b74f58053cd00)
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestBlockManager.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestBlockMissingException.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
HDFS-14849. Erasure Coding: the internal block is replicated many times
(ayushsaxena: rev c4c8d5fd0e3c17ccdcf18ece8e005f510328b060)
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestBlockManager.java
> Erasure Coding: the internal block is replicated many times when datanode is
> decommissioning
> --------------------------------------------------------------------------------------------
>
> Key: HDFS-14849
> URL: https://issues.apache.org/jira/browse/HDFS-14849
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: ec, erasure-coding
> Affects Versions: 3.3.0
> Reporter: HuangTao
> Assignee: HuangTao
> Priority: Major
> Labels: EC, HDFS, NameNode
> Fix For: 3.3.0
>
> Attachments: HDFS-14849.001.patch, HDFS-14849.002.patch,
> fsck-file.png, liveBlockIndices.png, scheduleReconstruction.png
>
>
> When the datanode keeping in DECOMMISSION_INPROGRESS status, the EC internal
> block in that datanode will be replicated many times.
> // added 2019/09/19
> I reproduced this scenario in a 163 nodes cluster with decommission 100 nodes
> simultaneously.
> !scheduleReconstruction.png!
> !fsck-file.png!
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