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Posted to common-dev@hadoop.apache.org by "Nigel Daley (JIRA)" <ji...@apache.org> on 2008/09/22 23:38:44 UTC

[jira] Assigned: (HADOOP-4228) dfs datanode metrics, bytes_read, bytes_written overflows due to incorrect type used.

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

Nigel Daley reassigned HADOOP-4228:
-----------------------------------

    Assignee: Eric Yang

> 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
>            Assignee: Eric Yang
>            Priority: Blocker
>         Attachments: HADOOP-4228.patch
>
>
> 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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