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From "Raghu Angadi (JIRA)" <j...@apache.org>
Subject [jira] Assigned: (HADOOP-1149) DFS Scalability: high cpu usage in addStoredBlock
Date Thu, 22 Mar 2007 23:12:34 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-1149?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Raghu Angadi reassigned HADOOP-1149:
------------------------------------

    Assignee: Raghu Angadi

> DFS Scalability: high cpu usage in addStoredBlock
> -------------------------------------------------
>
>                 Key: HADOOP-1149
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1149
>             Project: Hadoop
>          Issue Type: Bug
>          Components: dfs
>            Reporter: dhruba borthakur
>         Assigned To: Raghu Angadi
>
> I have seen addStoredBlock() consume lots of CPU. One possible cause is that it invokes
proccessOverReplicatedBlock. The logic to find and purge over-replicated blocks can be done
much less often.

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