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https://issues.apache.org/jira/browse/HDFS-12872?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16274861#comment-16274861
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Xiao Chen commented on HDFS-12872:
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Regarding the related question, Eddy pointed out that my test was writing all 0
bytes - stupid me. But even writing random bytes I still see exactly the same
physical blocks on disks.... Will look into that in a bit, please comment if
you have any thoughts. Thanks!
> EC Checksum broken when BlockAccessToken is enabled
> ---------------------------------------------------
>
> Key: HDFS-12872
> URL: https://issues.apache.org/jira/browse/HDFS-12872
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: erasure-coding
> Reporter: Xiao Chen
> Assignee: Xiao Chen
> Priority: Critical
> Labels: hdfs-ec-3.0-must-do
> Attachments: HDFS-12872.01.patch, HDFS-12872.repro.patch
>
>
> It appears {{hdfs ec -checksum}} doesn't work when block access token is
> enabled.
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