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https://issues.apache.org/jira/browse/HDFS-17550?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18021516#comment-18021516
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ASF GitHub Bot commented on HDFS-17550:
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github-actions[bot] closed pull request #7142: HDFS-17550. EC: Support
decommissioning DataNode by EC block reconstruction.
URL: https://github.com/apache/hadoop/pull/7142
> EC: Support decommissioning DataNode by EC block reconstruction
> ---------------------------------------------------------------
>
> Key: HDFS-17550
> URL: https://issues.apache.org/jira/browse/HDFS-17550
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Chenyu Zheng
> Priority: Major
> Labels: pull-request-available
>
> By enabling reconstruction to decommissioning datanode, the speed increased
> by 12 times on a small-scale cluster with only 100 machines dedicated to
> storing EC data. I think in prodcution cluster with thousands of clusters,
> there will be hundreds of times growth.
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