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From "Hudson (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2861) HA: checkpointing should verify that the dfs.http.address has been configured to a non-loopback for peer NN
Date Fri, 03 Feb 2012 12:59:57 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2861?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13199692#comment-13199692
] 

Hudson commented on HDFS-2861:
------------------------------

Integrated in Hadoop-Hdfs-HAbranch-build #67 (See [https://builds.apache.org/job/Hadoop-Hdfs-HAbranch-build/67/])
    HDFS-2861. checkpointing should verify that the dfs.http.address has been configured to
a non-loopback for peer NN. Contributed by Todd Lipcon.

todd : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1239886
Files : 
* /hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/CHANGES.HDFS-1623.txt
* /hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSUtil.java
* /hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/HAUtil.java
* /hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
* /hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/SecondaryNameNode.java
* /hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/ha/StandbyCheckpointer.java
* /hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/MiniDFSCluster.java
* /hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/MiniDFSNNTopology.java
* /hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSUtil.java
* /hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestEditLogTailer.java
* /hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestFailureToReadEdits.java
* /hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestHAConfiguration.java
* /hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestStandbyCheckpoints.java

                
> HA: checkpointing should verify that the dfs.http.address has been configured to a non-loopback
for peer NN
> -----------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-2861
>                 URL: https://issues.apache.org/jira/browse/HDFS-2861
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ha, name-node
>    Affects Versions: HA branch (HDFS-1623)
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>            Priority: Critical
>             Fix For: HA branch (HDFS-1623)
>
>         Attachments: hdfs-2861.txt, hdfs-2861.txt, hdfs-2861.txt, hdfs-2861.txt
>
>
> In an HA setup I was running for the past week, I just noticed that checkpoints weren't
getting properly uploaded, since the SBN was connecting to http://0.0.0.0:50070/ rather than
the correct dfs.http.address. So, it was uploading checkpoints to itself instead of the peer.
We should add sanity checks during startup to ensure that the configuration is correct.

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