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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5128) Allow multiple net interfaces to be used with HA namenode RPC server
Date Mon, 26 Aug 2013 22:44:51 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5128?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13750672#comment-13750672
] 

Hadoop QA commented on HDFS-5128:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12600015/HDFS-5128-example.patch
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:red}-1 tests included{color}.  The patch doesn't appear to include any new or modified
tests.
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 javadoc{color}.  The javadoc tool did not generate any warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
1.3.9) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:red}-1 core tests{color}.  The patch failed these unit tests in hadoop-hdfs-project/hadoop-hdfs:

                  org.apache.hadoop.hdfs.server.namenode.TestNNThroughputBenchmark
                  org.apache.hadoop.hdfs.server.namenode.TestBackupNode
                  org.apache.hadoop.hdfs.TestHDFSServerPorts
                  org.apache.hadoop.hdfs.server.blockmanagement.TestReplicationPolicyWithNodeGroup
                  org.apache.hadoop.hdfs.server.namenode.TestValidateConfigurationSettings
                  org.apache.hadoop.hdfs.server.namenode.TestStartup
                  org.apache.hadoop.hdfs.server.blockmanagement.TestReplicationPolicy

    {color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/4892//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/4892//console

This message is automatically generated.
                
> Allow multiple net interfaces to be used with HA namenode RPC server
> --------------------------------------------------------------------
>
>                 Key: HDFS-5128
>                 URL: https://issues.apache.org/jira/browse/HDFS-5128
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Kihwal Lee
>            Assignee: Kihwal Lee
>            Priority: Critical
>         Attachments: HDFS-5128.branch-2.patch, HDFS-5128.branch-2.v2.patch, HDFS-5128-example.patch,
HDFS-5128.trunk.patch, HDFS-5128.trunk.v2.patch
>
>
> With the new RPCv9, NN RPC server can be bound to multiple IP addresses and serve clients
connecting to different addressed using the same SPN. But the only way to have NN bind to
multiple addresses is to set its RPC address to 0.0.0.0. This does not work well with HA especially
when name nodes share the same config. 
> I propose a new option for NN rpc server to bind to all interfaces, independent of the
rpc address configuration.

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