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From "Eric Yang (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-4228) dfs datanode metrics, bytes_read, bytes_written overflows due to incorrect type used.
Date Mon, 22 Sep 2008 21:32:46 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-4228?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Eric Yang updated HADOOP-4228:
------------------------------

    Attachment:     (was: HADOOP-4228.patch)

> dfs datanode metrics, bytes_read, bytes_written overflows due to incorrect type used.
> -------------------------------------------------------------------------------------
>
>                 Key: HADOOP-4228
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4228
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: metrics
>    Affects Versions: 0.18.2, 0.19.0
>         Environment: Red Hat Enterprise Linux AS release 4 (Nahant Update 5), Java 1.6.
>            Reporter: Eric Yang
>            Priority: Blocker
>
> 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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