Zhe Zhang created HDFS-8786:
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Summary: Erasure coding: DataNode should transfer striped blocks before being
decommissioned
Key: HDFS-8786
URL: https://issues.apache.org/jira/browse/HDFS-8786
Project: Hadoop HDFS
Issue Type: Sub-task
Reporter: Zhe Zhang
Per [discussion | https://issues.apache.org/jira/browse/HDFS-8697?focusedCommentId=14609004&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14609004]
under HDFS-8697, it's too expensive to reconstruct block groups for decomm purpose.
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