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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-349) SecondaryNameNode could include the hostname/port in socket connect failures for better diagnostics
Date Fri, 26 Aug 2011 03:15:29 GMT

    [ https://issues.apache.org/jira/browse/HDFS-349?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13091541#comment-13091541
] 

Hudson commented on HDFS-349:
-----------------------------

Integrated in Hadoop-Hdfs-trunk-Commit #869 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk-Commit/869/])
    HDFS-349.  DFS Scalability: Incremental block reports. Contributed by Tomasz Nykiel.

hairong : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1161976
Files : 
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/FSDataset.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/FSDatasetAsyncDiskService.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNode.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/protocol/BlockCommand.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/protocol/DatanodeProtocol.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/protocol/ReceivedDeletedBlockInfo.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/NNThroughputBenchmark.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestDeadDatanode.java


> SecondaryNameNode could include the hostname/port in socket connect failures for better
diagnostics
> ---------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-349
>                 URL: https://issues.apache.org/jira/browse/HDFS-349
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Steve Loughran
>            Priority: Minor
>
> reported on the user mailing list. when the Secondary name node can't connect to the
default filesystem, it passes up the JVM error, which of course omits useful information such
as the host and port it is trying to connect to. all you see is :  java.net.NoRouteToHostException:
No route to host , which is not usually enough to diagnose problems.

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