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Posted to common-dev@hadoop.apache.org by "Konstantin Shvachko (JIRA)" <ji...@apache.org> on 2009/04/10 04:17:12 UTC

[jira] Created: (HADOOP-5651) Update startup scripts to start Checkpoint node instead of SecondaryNameNode

Update startup scripts to start Checkpoint node instead of SecondaryNameNode
----------------------------------------------------------------------------

                 Key: HADOOP-5651
                 URL: https://issues.apache.org/jira/browse/HADOOP-5651
             Project: Hadoop Core
          Issue Type: Improvement
          Components: dfs
    Affects Versions: 0.21.0
            Reporter: Konstantin Shvachko
             Fix For: 0.21.0


Start up script {{start-dfs.sh}} should start Checkpoint node instead of SecondaryNameNode.
It should provide an option to start Checkpoint or Backup node or secondary.
The default should be checkpoint.

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[jira] Commented: (HADOOP-5651) Update startup scripts to start Checkpoint node instead of SecondaryNameNode

Posted by "Tsz Wo (Nicholas), SZE (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/HADOOP-5651?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12697713#action_12697713 ] 

Tsz Wo (Nicholas), SZE commented on HADOOP-5651:
------------------------------------------------

The script should also provide an option for NOT starting any Checkpoint node/backup node/SecondaryNameNode.

> Update startup scripts to start Checkpoint node instead of SecondaryNameNode
> ----------------------------------------------------------------------------
>
>                 Key: HADOOP-5651
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5651
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: dfs
>    Affects Versions: 0.21.0
>            Reporter: Konstantin Shvachko
>             Fix For: 0.21.0
>
>
> Start up script {{start-dfs.sh}} should start Checkpoint node instead of SecondaryNameNode.
> It should provide an option to start Checkpoint or Backup node or secondary.
> The default should be checkpoint.

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[jira] Commented: (HADOOP-5651) Update startup scripts to start Checkpoint node instead of SecondaryNameNode

Posted by "Konstantin Shvachko (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/HADOOP-5651?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12698459#action_12698459 ] 

Konstantin Shvachko commented on HADOOP-5651:
---------------------------------------------

What is "backward compatibility" in this case?

> Update startup scripts to start Checkpoint node instead of SecondaryNameNode
> ----------------------------------------------------------------------------
>
>                 Key: HADOOP-5651
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5651
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: dfs
>    Affects Versions: 0.21.0
>            Reporter: Konstantin Shvachko
>             Fix For: 0.21.0
>
>
> Start up script {{start-dfs.sh}} should start Checkpoint node instead of SecondaryNameNode.
> It should provide an option to start Checkpoint or Backup node or secondary.
> The default should be checkpoint.

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[jira] Issue Comment Edited: (HADOOP-5651) Update startup scripts to start Checkpoint node instead of SecondaryNameNode

Posted by "dhruba borthakur (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/HADOOP-5651?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12698198#action_12698198 ] 

dhruba borthakur edited comment on HADOOP-5651 at 4/13/09 12:37 AM:
--------------------------------------------------------------------

This is kind-of-a APi change. will there be backward compatibilty?

      was (Author: dhruba):
    This is kind-of-a APi change. will thee be backward compatibilty?
  
> Update startup scripts to start Checkpoint node instead of SecondaryNameNode
> ----------------------------------------------------------------------------
>
>                 Key: HADOOP-5651
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5651
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: dfs
>    Affects Versions: 0.21.0
>            Reporter: Konstantin Shvachko
>             Fix For: 0.21.0
>
>
> Start up script {{start-dfs.sh}} should start Checkpoint node instead of SecondaryNameNode.
> It should provide an option to start Checkpoint or Backup node or secondary.
> The default should be checkpoint.

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[jira] Commented: (HADOOP-5651) Update startup scripts to start Checkpoint node instead of SecondaryNameNode

Posted by "dhruba borthakur (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/HADOOP-5651?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12698198#action_12698198 ] 

dhruba borthakur commented on HADOOP-5651:
------------------------------------------

This is kind-of-a APi change. will thee be backward compatibilty?

> Update startup scripts to start Checkpoint node instead of SecondaryNameNode
> ----------------------------------------------------------------------------
>
>                 Key: HADOOP-5651
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5651
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: dfs
>    Affects Versions: 0.21.0
>            Reporter: Konstantin Shvachko
>             Fix For: 0.21.0
>
>
> Start up script {{start-dfs.sh}} should start Checkpoint node instead of SecondaryNameNode.
> It should provide an option to start Checkpoint or Backup node or secondary.
> The default should be checkpoint.

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