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Posted to hdfs-dev@hadoop.apache.org by "Todd Lipcon (Created) (JIRA)" <ji...@apache.org> on 2011/11/15 22:11:58 UTC

[jira] [Created] (HDFS-2554) Add separate metrics for missing blocks with desired replication level 1

Add separate metrics for missing blocks with desired replication level 1
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                 Key: HDFS-2554
                 URL: https://issues.apache.org/jira/browse/HDFS-2554
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: name-node
            Reporter: Todd Lipcon
            Priority: Minor


Some users use replication level set to 1 for datasets which are unimportant and can be lost with no worry (eg the output of terasort tests). But other data on the cluster is important and should not be lost. It would be useful to separate the metric for missing blocks by the desired replication level of those blocks, so that one could ignore missing blocks at repl 1 while still alerting on missing blocks with higher desired replication.

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