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https://issues.apache.org/jira/browse/HDFS-10999?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15590122#comment-15590122
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Andrew Wang commented on HDFS-10999:
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[~jojochuang] thanks for sharing that output. Allen mentioned that fsck is used
as both a quick check, as well as a rough measure of how much recovery work is
ongoing. Assuming that "Missing internal blocks" goes up when
"Under-erasure-coded groups" is non-zero, this seems workable.
> Use more generic "low redundancy" blocks instead of "under replicated" blocks
> -----------------------------------------------------------------------------
>
> Key: HDFS-10999
> URL: https://issues.apache.org/jira/browse/HDFS-10999
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: erasure-coding
> Affects Versions: 3.0.0-alpha1
> Reporter: Wei-Chiu Chuang
> Assignee: Yuanbo Liu
> Labels: supportability
>
> Per HDFS-9857, it seems in the Hadoop 3 world, people prefer the more generic
> term "low redundancy" to the old-fashioned "under replicated". But this term
> is still being used in messages in several places, such as web ui, dfsadmin
> and fsck. We should probably change them to avoid confusion.
> File this jira to discuss it.
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