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Posted to common-dev@hadoop.apache.org by "Owen O'Malley (JIRA)" <ji...@apache.org> on 2006/02/14 09:12:09 UTC

[jira] Created: (HADOOP-37) A way to determine the size and overall activity of the cluster

A way to determine the size and overall activity of the cluster
---------------------------------------------------------------

         Key: HADOOP-37
         URL: http://issues.apache.org/jira/browse/HADOOP-37
     Project: Hadoop
        Type: New Feature
  Components: mapred  
    Reporter: Owen O'Malley


There is currently no way for an application to determine the size or activity of the cluster.



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[jira] Updated: (HADOOP-37) A way to determine the size and overall activity of the cluster

Posted by "Doug Cutting (JIRA)" <ji...@apache.org>.
     [ http://issues.apache.org/jira/browse/HADOOP-37?page=all ]

Doug Cutting updated HADOOP-37:
-------------------------------

    Fix Version: 0.1.0

> A way to determine the size and overall activity of the cluster
> ---------------------------------------------------------------
>
>          Key: HADOOP-37
>          URL: http://issues.apache.org/jira/browse/HADOOP-37
>      Project: Hadoop
>         Type: New Feature

>   Components: mapred
>     Reporter: Owen O'Malley
>      Fix For: 0.1.0
>  Attachments: cluster-status.patch
>
> There is currently no way for an application to determine the size or activity of the cluster.

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[jira] Resolved: (HADOOP-37) A way to determine the size and overall activity of the cluster

Posted by "Doug Cutting (JIRA)" <ji...@apache.org>.
     [ http://issues.apache.org/jira/browse/HADOOP-37?page=all ]
     
Doug Cutting resolved HADOOP-37:
--------------------------------

    Resolution: Fixed

I have committed this, but with the following modifications to ClusterStatus.java:

Fields are moved to the top of the class, as per:

http://java.sun.com/docs/codeconv/html/CodeConventions.doc2.html#1852

Constructors are no longer public: the public constructors had no javadoc.  But there's not much point in adding any, since user code should never need to call these.  The javadoc should only contain things that folks need to call.  I added a WritableFactory so that the io code can construct these, and made the no-arg constructor private, since it should only be called by the factory.  The other constructor I made package-private.

Finally, I fixed a typo in the javadoc.


> A way to determine the size and overall activity of the cluster
> ---------------------------------------------------------------
>
>          Key: HADOOP-37
>          URL: http://issues.apache.org/jira/browse/HADOOP-37
>      Project: Hadoop
>         Type: New Feature
>   Components: mapred
>     Reporter: Owen O'Malley
>  Attachments: cluster-status.patch
>
> There is currently no way for an application to determine the size or activity of the cluster.

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[jira] Updated: (HADOOP-37) A way to determine the size and overall activity of the cluster

Posted by "Owen O'Malley (JIRA)" <ji...@apache.org>.
     [ http://issues.apache.org/jira/browse/HADOOP-37?page=all ]

Owen O'Malley updated HADOOP-37:
--------------------------------

    Attachment: cluster-status.patch

This patch provides a new method in the JobClient that provides a summary of the size and activity in the cluster.

> A way to determine the size and overall activity of the cluster
> ---------------------------------------------------------------
>
>          Key: HADOOP-37
>          URL: http://issues.apache.org/jira/browse/HADOOP-37
>      Project: Hadoop
>         Type: New Feature
>   Components: mapred
>     Reporter: Owen O'Malley
>  Attachments: cluster-status.patch
>
> There is currently no way for an application to determine the size or activity of the cluster.

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[jira] Closed: (HADOOP-37) A way to determine the size and overall activity of the cluster

Posted by "Doug Cutting (JIRA)" <ji...@apache.org>.
     [ http://issues.apache.org/jira/browse/HADOOP-37?page=all ]
     
Doug Cutting closed HADOOP-37:
------------------------------


> A way to determine the size and overall activity of the cluster
> ---------------------------------------------------------------
>
>          Key: HADOOP-37
>          URL: http://issues.apache.org/jira/browse/HADOOP-37
>      Project: Hadoop
>         Type: New Feature

>   Components: mapred
>     Reporter: Owen O'Malley
>      Fix For: 0.1.0
>  Attachments: cluster-status.patch
>
> There is currently no way for an application to determine the size or activity of the cluster.

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