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https://issues.apache.org/jira/browse/HDFS-1052?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13023079#comment-13023079
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Hadoop QA commented on HDFS-1052:
---------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12477039/HDFS-1052.5.patch
against trunk revision 1095830.
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 348 new or modified tests.
+1 javadoc. The javadoc tool did not generate any warning messages.
+1 javac. The applied patch does not increase the total number of javac
compiler warnings.
+1 findbugs. The patch does not introduce any new Findbugs (version 1.3.9)
warnings.
+1 release audit. The applied patch does not increase the total number of
release audit warnings.
-1 core tests. The patch failed these core unit tests:
org.apache.hadoop.hdfs.server.namenode.TestBackupNode
org.apache.hadoop.hdfs.TestDFSStorageStateRecovery
org.apache.hadoop.hdfs.TestFileAppend4
org.apache.hadoop.hdfs.TestLargeBlock
org.apache.hadoop.hdfs.TestWriteConfigurationToDFS
+1 contrib tests. The patch passed contrib unit tests.
+1 system test framework. The patch passed system test framework compile.
Test results:
https://builds.apache.org/hudson/job/PreCommit-HDFS-Build/402//testReport/
Findbugs warnings:
https://builds.apache.org/hudson/job/PreCommit-HDFS-Build/402//artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output:
https://builds.apache.org/hudson/job/PreCommit-HDFS-Build/402//console
This message is automatically generated.
> HDFS scalability with multiple namenodes
> ----------------------------------------
>
> Key: HDFS-1052
> URL: https://issues.apache.org/jira/browse/HDFS-1052
> Project: Hadoop HDFS
> Issue Type: New Feature
> Components: name-node
> Affects Versions: 0.22.0
> Reporter: Suresh Srinivas
> Assignee: Suresh Srinivas
> Attachments: Block pool proposal.pdf, HDFS-1052.3.patch,
> HDFS-1052.4.patch, HDFS-1052.5.patch, HDFS-1052.patch, Mulitple
> Namespaces5.pdf, high-level-design.pdf
>
>
> HDFS currently uses a single namenode that limits scalability of the cluster.
> This jira proposes an architecture to scale the nameservice horizontally
> using multiple namenodes.
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