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https://issues.apache.org/jira/browse/HDFS-11236?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15741502#comment-15741502
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Yuanbo Liu commented on HDFS-11236:
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[~gehaijiang] Thanks for filing this JIRA.
To my knowledge, I don't think it's convenient for EC to support append
operation,
since the block of EC file is divided into several cells which are distributed
to different nodes.
I'd prefer marking this JIRA as "Won't fix"(If I'm wrong, please let me know)
> Erasure Coding cann't support appendToFile
> ------------------------------------------
>
> Key: HDFS-11236
> URL: https://issues.apache.org/jira/browse/HDFS-11236
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: gehaijiang
>
> hadoop 3.0.0-alpha1
> $ hdfs erasurecode -getPolicy /ectest/workers
> ErasureCodingPolicy=[Name=RS-DEFAULT-6-3-64k,
> Schema=[ECSchema=[Codec=rs-default, numDataUnits=6, numParityUnits=3]],
> CellSize=65536 ]
> $ hadoop fs -appendToFile hadoop/etc/hadoop/httpfs-env.sh /ectest/workers
> appendToFile: Cannot append to files with striped block /ectest/workers
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