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https://issues.apache.org/jira/browse/HDFS-7165?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zhe Zhang updated HDFS-7165:
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Target Version/s: (was: 2.6.0)
Affects Version/s: (was: 2.5.1)
Status: Patch Available (was: Open)
> Separate block metrics for files with replication count 1
> ---------------------------------------------------------
>
> Key: HDFS-7165
> URL: https://issues.apache.org/jira/browse/HDFS-7165
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Andrew Wang
> Assignee: Zhe Zhang
> Attachments: HDFS-7165-20141003-v1.patch
>
>
> We see a lot of escalations because someone has written teragen output with a
> replication factor of 1, a DN goes down, and a bunch of missing blocks show
> up. These are normally false positives, since teragen output is disposable,
> and generally speaking, users should understand this is true for all repl=1
> files.
> It'd be nice to be able to separate out these repl=1 missing blocks from
> missing blocks with higher replication factors..
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