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https://issues.apache.org/jira/browse/HDFS-8347?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zhe Zhang resolved HDFS-8347.
-----------------------------
       Resolution: Done
    Fix Version/s: HDFS-7285

Thanks for the discussion guys! Looks like we have reached a conclusion. I 
agree that we can move {{cellSize}} out of schema and hide codec chunk size 
from HDFS components at this stage.

> Erasure Coding: whether to use the same chunkSize in decoding with the value 
> in encoding
> ----------------------------------------------------------------------------------------
>
>                 Key: HDFS-8347
>                 URL: https://issues.apache.org/jira/browse/HDFS-8347
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Kai Zheng
>             Fix For: HDFS-7285
>
>
> Currently decode buffersize for Datanode striped block reconstruction is 
> configurable and can be less or larger than chunksize, it may cause issue for 
> Hitchhiker which may require encode/decode using same buffersize.



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