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https://issues.apache.org/jira/browse/HDFS-15889?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18042929#comment-18042929
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ASF GitHub Bot commented on HDFS-15889:
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github-actions[bot] closed pull request #2771: HDFS-15889. Erasure Coding:
Limit the number of concurrent EC Reconstruct blocks in NameNode
URL: https://github.com/apache/hadoop/pull/2771
> Erasure Coding: Limit the number of concurrent EC Reconstruct blocks in
> NameNode
> --------------------------------------------------------------------------------
>
> Key: HDFS-15889
> URL: https://issues.apache.org/jira/browse/HDFS-15889
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Haiyang Hu
> Priority: Major
> Labels: pull-request-available
> Time Spent: 20m
> Remaining Estimate: 0h
>
> Consider limit the number of concurrent EC Reconstruct blocks in NameNode to
> avoid a situation where a large number of DataNode offline case a large
> number of EC block Reconstruct, that leads to high cluster disk IO and
> network load in the cluster
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