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Posted to hdfs-issues@hadoop.apache.org by "Boris Shkolnik (JIRA)" <ji...@apache.org> on 2011/03/04 02:18:36 UTC

[jira] Created: (HDFS-1722) HDFS Federation: Add flag to MiniDFSCluster to differentiate between two different modes-Federation and not.

HDFS Federation: Add flag to MiniDFSCluster to differentiate between two different modes-Federation and not. 
-------------------------------------------------------------------------------------------------------------

                 Key: HDFS-1722
                 URL: https://issues.apache.org/jira/browse/HDFS-1722
             Project: Hadoop HDFS
          Issue Type: Sub-task
            Reporter: Boris Shkolnik
            Assignee: Boris Shkolnik




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[jira] Updated: (HDFS-1722) HDFS Federation: Add flag to MiniDFSCluster to differentiate between two different modes-Federation and not.

Posted by "Boris Shkolnik (JIRA)" <ji...@apache.org>.

     [ https://issues.apache.org/jira/browse/HDFS-1722?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Boris Shkolnik updated HDFS-1722:
---------------------------------

    Attachment: HDFS-1722.patch

> HDFS Federation: Add flag to MiniDFSCluster to differentiate between two different modes-Federation and not. 
> -------------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-1722
>                 URL: https://issues.apache.org/jira/browse/HDFS-1722
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: name-node
>            Reporter: Boris Shkolnik
>            Assignee: Boris Shkolnik
>         Attachments: HDFS-1722.patch, HDFS-1722.patch
>
>


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[jira] Commented: (HDFS-1722) HDFS Federation: Add flag to MiniDFSCluster to differentiate between two different modes-Federation and not.

Posted by "Suresh Srinivas (JIRA)" <ji...@apache.org>.

    [ https://issues.apache.org/jira/browse/HDFS-1722?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13002492#comment-13002492 ] 

Suresh Srinivas commented on HDFS-1722:
---------------------------------------

+1 for the patch.

> HDFS Federation: Add flag to MiniDFSCluster to differentiate between two different modes-Federation and not. 
> -------------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-1722
>                 URL: https://issues.apache.org/jira/browse/HDFS-1722
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: name-node
>            Reporter: Boris Shkolnik
>            Assignee: Boris Shkolnik
>         Attachments: HDFS-1722.patch, HDFS-1722.patch
>
>


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[jira] Updated: (HDFS-1722) HDFS Federation: Add flag to MiniDFSCluster to differentiate between two different modes-Federation and not.

Posted by "Boris Shkolnik (JIRA)" <ji...@apache.org>.

     [ https://issues.apache.org/jira/browse/HDFS-1722?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Boris Shkolnik updated HDFS-1722:
---------------------------------

    Attachment: HDFS-1722.patch

For non-federated mode we keep old style set-up for backward compatibility.


> HDFS Federation: Add flag to MiniDFSCluster to differentiate between two different modes-Federation and not. 
> -------------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-1722
>                 URL: https://issues.apache.org/jira/browse/HDFS-1722
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: name-node
>            Reporter: Boris Shkolnik
>            Assignee: Boris Shkolnik
>         Attachments: HDFS-1722.patch
>
>


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[jira] Commented: (HDFS-1722) HDFS Federation: Add flag to MiniDFSCluster to differentiate between two different modes-Federation and not.

Posted by "Suresh Srinivas (JIRA)" <ji...@apache.org>.

    [ https://issues.apache.org/jira/browse/HDFS-1722?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13002499#comment-13002499 ] 

Suresh Srinivas commented on HDFS-1722:
---------------------------------------

testpatch result:
     [exec] -1 overall.  
     [exec] 
     [exec]     +1 @author.  The patch does not contain any @author tags.
     [exec] 
     [exec]     +1 tests included.  The patch appears to include 6 new or modified tests.
     [exec] 
     [exec]     +1 javadoc.  The javadoc tool did not generate any warning messages.
     [exec] 
     [exec]     +1 javac.  The applied patch does not increase the total number of javac compiler warnings.
     [exec] 
     [exec]     +1 findbugs.  The patch does not introduce any new Findbugs (version 1.3.8) warnings.
     [exec] 
     [exec]     -1 release audit.  The applied patch generated 100 release audit warnings (more than the trunk's current 98 warnings).
     [exec] 
     [exec]     -1 system test framework.  The patch failed system test framework compile.


The -1 in release audit and system test framework is not related to this patch. It is not expected after merging trunk to federation branch.


> HDFS Federation: Add flag to MiniDFSCluster to differentiate between two different modes-Federation and not. 
> -------------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-1722
>                 URL: https://issues.apache.org/jira/browse/HDFS-1722
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: name-node
>            Reporter: Boris Shkolnik
>            Assignee: Boris Shkolnik
>         Attachments: HDFS-1722.patch, HDFS-1722.patch
>
>


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[jira] Resolved: (HDFS-1722) HDFS Federation: Add flag to MiniDFSCluster to differentiate between two different modes-Federation and not.

Posted by "Suresh Srinivas (JIRA)" <ji...@apache.org>.

     [ https://issues.apache.org/jira/browse/HDFS-1722?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Suresh Srinivas resolved HDFS-1722.
-----------------------------------

      Resolution: Fixed
    Hadoop Flags: [Reviewed]

I committed the patch. Thank you Boris.

> HDFS Federation: Add flag to MiniDFSCluster to differentiate between two different modes-Federation and not. 
> -------------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-1722
>                 URL: https://issues.apache.org/jira/browse/HDFS-1722
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: name-node
>            Reporter: Boris Shkolnik
>            Assignee: Boris Shkolnik
>         Attachments: HDFS-1722.patch, HDFS-1722.patch
>
>


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[jira] Commented: (HDFS-1722) HDFS Federation: Add flag to MiniDFSCluster to differentiate between two different modes-Federation and not.

Posted by "Boris Shkolnik (JIRA)" <ji...@apache.org>.

    [ https://issues.apache.org/jira/browse/HDFS-1722?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13002388#comment-13002388 ] 

Boris Shkolnik commented on HDFS-1722:
--------------------------------------

without a flag MiniDFScluster will try to figure it by itself - if number of namenodes is 1, then it is a classical case, if > 1, then it is Federation.

Federation flag is needed when you create cluster with 1 NameNode but plan to add more later.

> HDFS Federation: Add flag to MiniDFSCluster to differentiate between two different modes-Federation and not. 
> -------------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-1722
>                 URL: https://issues.apache.org/jira/browse/HDFS-1722
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: name-node
>            Reporter: Boris Shkolnik
>            Assignee: Boris Shkolnik
>         Attachments: HDFS-1722.patch, HDFS-1722.patch
>
>


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