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https://issues.apache.org/jira/browse/HDFS-8425?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14572086#comment-14572086
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Li Bo commented on HDFS-8425:
-----------------------------

I think encoding is one factor. More work can be done to enhance the 
efficiency. When the data buffers are full, we will suspend data writing and 
switch to generate parity buffers. I think they can work concurrently. I have 
created HDFS-8528 which tries to enhance the efficiency in this direction.

> [umbrella] Performance tuning, investigation and optimization for erasure 
> coding
> --------------------------------------------------------------------------------
>
>                 Key: HDFS-8425
>                 URL: https://issues.apache.org/jira/browse/HDFS-8425
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>    Affects Versions: HDFS-7285
>            Reporter: GAO Rui
>         Attachments: testClientWriteReadFile_v1.pdf
>
>
> This {{umbrella}} jira aims to track performance tuning, investigation and 
> optimization for erasure coding.



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