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https://issues.apache.org/jira/browse/HDFS-10999?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15588153#comment-15588153
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Yuanbo Liu commented on HDFS-10999:
-----------------------------------
I guess some monitor scripts are based on "fsck" command. Admins may write some
similar code
{code}
fsck|grep "Under-replicated"
{code}
or key-value formatter in their scripts. Changing the old key name will force
them changing their monitor scripts. This is my understanding about Allen's
concern on incompatible issue.
> 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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