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From "Jakob Homan (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HDFS-1339) NameNodeMetrics should use MetricsTimeVaryingLong
Date Wed, 06 Oct 2010 00:51:34 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1339?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12918361#action_12918361
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Jakob Homan commented on HDFS-1339:
-----------------------------------

Scott: I'm curious, have you guys run into a situation where an int was not sufficient?

> NameNodeMetrics should use MetricsTimeVaryingLong 
> --------------------------------------------------
>
>                 Key: HDFS-1339
>                 URL: https://issues.apache.org/jira/browse/HDFS-1339
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: name-node
>            Reporter: Scott Chen
>            Assignee: Scott Chen
>            Priority: Minor
>         Attachments: HDFS-1339.txt
>
>
> NameNodeMetrics uses MetricsTimeVaryingInt. We see that FileInfoOps and GetBlockLocations
overflow in our cluster.
> Using MetricsTimeVaryingLong will easily solve this problem.

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