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From "Scott Chen (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HDFS-1339) NameNodeMetrics should use MetricsTimeVaryingLong
Date Wed, 11 Aug 2010 18:43:16 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1339?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12897378#action_12897378
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Scott Chen commented on HDFS-1339:
----------------------------------

Hi Hong,

You are right. But it is nice that we can get the correct total number.
And there is no much cost to use long integers here.
What do you think?

Scott

> 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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