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https://issues.apache.org/jira/browse/HDFS-8019?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14539782#comment-14539782
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Kai Zheng commented on HDFS-8019:
---------------------------------

Thanks for the work. I took a quick look at the patch, it looks overall good to 
me. Might it be the configuration support a bit overkill? Could we start with 
simple?

> Erasure Coding: erasure coding chunk buffer allocation and management
> ---------------------------------------------------------------------
>
>                 Key: HDFS-8019
>                 URL: https://issues.apache.org/jira/browse/HDFS-8019
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Kai Zheng
>            Assignee: Vinayakumar B
>         Attachments: HDFS-8019-HDFS-7285-01.patch, 
> HDFS-8019-HDFS-7285-02.patch
>
>
> As a task of HDFS-7344, this is to come up a chunk buffer pool allocating and 
> managing coding chunk buffers, either based on on-heap or off-heap. Note this 
> assumes some DataNodes are powerful in computing and performing EC coding 
> work, so better to have this dedicated buffer pool and management.



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