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From "Eric Yang (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-4228) dfs datanode metrics, bytes_read, bytes_written overflows due to incorrect type used.
Date Fri, 19 Sep 2008 23:46:44 GMT
dfs datanode metrics, bytes_read, bytes_written overflows due to incorrect type used.
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                 Key: HADOOP-4228
                 URL: https://issues.apache.org/jira/browse/HADOOP-4228
             Project: Hadoop Core
          Issue Type: Bug
          Components: metrics
    Affects Versions: 0.18.1
         Environment: Red Hat Enterprise Linux AS release 4 (Nahant Update 5), Java 1.6.
            Reporter: Eric Yang


bytes_read, and bytes_written metrics are using int (MetricsTimeVaryingInt) as counter.  This
type is too small to store the bytes_read and bytes_written metrics.  Recommend to change
this to long (metricsLongValue).

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