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https://issues.apache.org/jira/browse/HDFS-15876?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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chan updated HDFS-15876:
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Summary: Erasure Coding: Balance the tasks num on nodes when reconstruct ec
block (was: Erasure Coding: Balance the tasks num on nodes when reconstruct
ec recovery )
> Erasure Coding: Balance the tasks num on nodes when reconstruct ec block
> -------------------------------------------------------------------------
>
> Key: HDFS-15876
> URL: https://issues.apache.org/jira/browse/HDFS-15876
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: ec, erasure-coding
> Affects Versions: 3.0.0
> Reporter: chan
> Priority: Minor
>
> ErasureCodingWork:addTaskToDatanode
>
> at the end,this will assign the task to target[0] node,but the node may
> remain many tasks
>
> should we consider the num of task on nodes and balance them not just assign
> the tasks to target[0] node
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