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https://issues.apache.org/jira/browse/HDFS-11121?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15823438#comment-15823438
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Takanobu Asanuma commented on HDFS-11121:
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Thank you for your review and helpful comments, [~jojochuang].
Indeed, {{Preconditions.checkArgument()}} is more suitable. I'll upload a new
patch soon.
> Add assertions to BlockInfo#addStorage to protect from breaking
> reportedBlock-blockGroup mapping
> ------------------------------------------------------------------------------------------------
>
> Key: HDFS-11121
> URL: https://issues.apache.org/jira/browse/HDFS-11121
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: erasure-coding
> Affects Versions: 3.0.0-alpha1
> Reporter: Takanobu Asanuma
> Assignee: Takanobu Asanuma
> Priority: Critical
> Labels: hdfs-ec-3.0-nice-to-have
> Fix For: 3.0.0-alpha2
>
> Attachments: HDFS-11121.1.patch, HDFS-11121.2.patch
>
>
> There are not any assertions in {{BlockInfo.addStorage}}. This may cause that
> {{BlockInfo}} instances accept strange block reports and result in serious
> bugs, like HDFS-10858.
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