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https://issues.apache.org/jira/browse/HDFS-12725?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16237118#comment-16237118
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Hudson commented on HDFS-12725:
-------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #13184 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/13184/])
HDFS-12725. BlockPlacementPolicyRackFaultTolerant fails with very uneven (xiao:
rev b00f828d84e4e029fd4786ebe827ce704a1b2a04)
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestErasureCodingMultipleRacks.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockPlacementPolicyRackFaultTolerant.java
> BlockPlacementPolicyRackFaultTolerant fails with very uneven racks
> ------------------------------------------------------------------
>
> Key: HDFS-12725
> URL: https://issues.apache.org/jira/browse/HDFS-12725
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: erasure-coding
> Affects Versions: 3.0.0
> Reporter: Xiao Chen
> Assignee: Xiao Chen
> Priority: Major
> Labels: hdfs-ec-3.0-must-do
> Fix For: 3.0.0
>
> Attachments: HDFS-12725.01.patch, HDFS-12725.02.patch,
> HDFS-12725.03.patch, HDFS-12725.04.patch, HDFS-12725.05.patch,
> HDFS-12725.06.patch
>
>
> HDFS-12567 tries to fix the scenario where EC blocks may not be allocated in
> extremely rack-imbalanced cluster.
> The added fall-back step of the fix could be improved to do a best-effort
> placement. This is more likely to happen in testing than in real clusters.
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