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From "Andrew Wang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-7165) Separate block metrics for files with replication count 1
Date Mon, 29 Sep 2014 21:33:34 GMT
Andrew Wang created HDFS-7165:
---------------------------------

             Summary: 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
    Affects Versions: 2.5.1
            Reporter: Andrew Wang


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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