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Posted to common-dev@hadoop.apache.org by "Hairong Kuang (JIRA)" <ji...@apache.org> on 2006/11/08 23:26:53 UTC

[jira] Created: (HADOOP-697) Duplicate data node name calculation in Datanode constructor

Duplicate data node name calculation in Datanode constructor
------------------------------------------------------------

                 Key: HADOOP-697
                 URL: http://issues.apache.org/jira/browse/HADOOP-697
             Project: Hadoop
          Issue Type: Improvement
          Components: dfs
    Affects Versions: 0.8.0
            Reporter: Hairong Kuang
         Assigned To: Hairong Kuang
             Fix For: 0.8.1


A data node name is calculated twice when a DataNode object is constructed. One is computed at line 158 in DataNode.java using  the statement:

  InetAddress.getLocalHost().getHostName().

The value is passed the private DataNode constructor but is never used. The name is recomputed at lines 189-192 using the statement:

 DNS.getDefaultHost(
   conf.get("dfs.datanode.dns.interface", "default"), 
   conf.get("dfs.datanode.dns.nameserver", "default"))".


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[jira] Resolved: (HADOOP-697) Duplicate data node name calculation in Datanode constructor

Posted by "Raghu Angadi (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/HADOOP-697?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Raghu Angadi resolved HADOOP-697.
---------------------------------

    Resolution: Fixed

> Duplicate data node name calculation in Datanode constructor
> ------------------------------------------------------------
>
>                 Key: HADOOP-697
>                 URL: https://issues.apache.org/jira/browse/HADOOP-697
>             Project: Hadoop
>          Issue Type: Improvement
>          Components: dfs
>    Affects Versions: 0.8.0
>            Reporter: Hairong Kuang
>         Assigned To: Raghu Angadi
>
> A data node name is calculated twice when a DataNode object is constructed. One is computed at line 158 in DataNode.java using  the statement:
>   InetAddress.getLocalHost().getHostName().
> The value is passed the private DataNode constructor but is never used. The name is recomputed at lines 189-192 using the statement:
>  DNS.getDefaultHost(
>    conf.get("dfs.datanode.dns.interface", "default"), 
>    conf.get("dfs.datanode.dns.nameserver", "default"))".

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[jira] Assigned: (HADOOP-697) Duplicate data node name calculation in Datanode constructor

Posted by "Raghu Angadi (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/HADOOP-697?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Raghu Angadi reassigned HADOOP-697:
-----------------------------------

    Assignee: Raghu Angadi  (was: Hairong Kuang)

> Duplicate data node name calculation in Datanode constructor
> ------------------------------------------------------------
>
>                 Key: HADOOP-697
>                 URL: https://issues.apache.org/jira/browse/HADOOP-697
>             Project: Hadoop
>          Issue Type: Improvement
>          Components: dfs
>    Affects Versions: 0.8.0
>            Reporter: Hairong Kuang
>         Assigned To: Raghu Angadi
>
> A data node name is calculated twice when a DataNode object is constructed. One is computed at line 158 in DataNode.java using  the statement:
>   InetAddress.getLocalHost().getHostName().
> The value is passed the private DataNode constructor but is never used. The name is recomputed at lines 189-192 using the statement:
>  DNS.getDefaultHost(
>    conf.get("dfs.datanode.dns.interface", "default"), 
>    conf.get("dfs.datanode.dns.nameserver", "default"))".

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