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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-1073) Simpler model for Namenode's fs Image and edit Logs
Date Fri, 05 Aug 2011 08:36:34 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1073?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13079834#comment-13079834
] 

Hudson commented on HDFS-1073:
------------------------------

Integrated in Hadoop-Hdfs-trunk #738 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk/738/])
    HDFS-1073. Redesign the NameNode's storage layout for image checkpoints and edit logs
to introduce transaction IDs and be more robust. Contributed by Todd Lipcon and Ivan Kelly.

todd : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1152295
Files : 
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/TestFileAppend4.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/server/namenode/FSImageTestUtil.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/server/namenode/TestStartupOptionUpgrade.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/tools/offlineEditsViewer/EditsLoaderCurrent.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/protocol/NamespaceInfo.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/server/namenode/TestFSImage.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/server/namenode/CreateEditsLog.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/server/namenode/TestFsLimits.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/server/namenode/TestEditLogRace.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/FSImage.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/FSEditLogOp.java
* /hadoop/common/trunk/hdfs/ivy/libraries.properties
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/tools/offlineEditsViewer/editsStored.xml
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/FSEditLogOpCodes.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/Checkpointer.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/server/namenode/TestFSEditLogLoader.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/MiniDFSCluster.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/EditLogFileInputStream.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/util/TestMD5FileUtils.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/server/namenode/TestStartup.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/TestDFSUpgrade.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/FSEditLogLoader.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/GetImageServlet.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/NameNode.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/NNStorage.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/TestDFSStorageStateRecovery.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/server/namenode/TestCheckpoint.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/server/namenode/TestEditLogJournalFailures.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/FSImagePreTransactionalStorageInspector.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/server/common/StorageAdapter.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/server/namenode/TestFSImageStorageInspector.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/server/namenode/TestNNStorageRetentionManager.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/FSEditLog.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/tools/offlineEditsViewer/EditsElement.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/NNStorageRetentionManager.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/FSImageStorageInspector.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/server/namenode/TestTransferFsImage.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/common/StorageInfo.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/FSImageTransactionalStorageInspector.java
* /hadoop/common/trunk/hdfs/ivy.xml
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/test/GenericTestUtils.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/TransferFsImage.java
* /hadoop/common/trunk/hdfs/src/test/findbugsExcludeFile.xml
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/FSDirectory.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/server/namenode/TestCheckPointForSecurityTokens.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/util/MD5FileUtils.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/protocol/JournalProtocol.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/tools/offlineEditsViewer/TestOfflineEditsViewer.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/common/Storage.java
* /hadoop/common/trunk/hdfs/CHANGES.txt
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/BackupNode.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/util/TestAtomicFileOutputStream.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/UpgradeUtilities.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/server/namenode/TestBackupNode.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/protocol/CheckpointCommand.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/server/namenode/TestSecurityTokenEditLog.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/protocol/NamenodeRegistration.java
* /hadoop/common/trunk/hdfs/src/docs/src/documentation/content/xdocs/hdfs_user_guide.xml
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/protocol/NamenodeProtocol.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/BackupJournalManager.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/FSImageFormat.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/protocol/FSConstants.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/FileJournalManager.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/server/namenode/TestSaveNamespace.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/SecondaryNameNode.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/TestDFSUpgradeFromImage.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/server/namenode/OfflineEditsViewerHelper.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/protocol/RemoteEditLog.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/server/namenode/TestNameEditsConfigs.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/server/namenode/TestEditLog.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/EditLogBackupInputStream.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/EditLogBackupOutputStream.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/server/namenode/TestEditLogFileOutputStream.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/tools/offlineImageViewer/ImageVisitor.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/server/namenode/TestClusterId.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/BackupImage.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/server/namenode/TestParallelImageWrite.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/EditLogFileOutputStream.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/tools/offlineEditsViewer/editsStored
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/server/namenode/TestNNStorageRetentionFunctional.java
* /hadoop/common/trunk/hdfs/src/java/hdfs-default.xml
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/tools/offlineImageViewer/ImageLoaderCurrent.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/tools/offlineEditsViewer/OfflineEditsViewer.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/protocol/LayoutVersion.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/CheckpointSignature.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/TestDFSRollback.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/protocol/RemoteEditLogManifest.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/tools/offlineEditsViewer/Tokenizer.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/util/AtomicFileOutputStream.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/TestDFSFinalize.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/JournalManager.java
* /hadoop/common/trunk/hdfs/bin/hdfs
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/HdfsConfiguration.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/server/namenode/TestStorageRestore.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/DFSConfigKeys.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/EditLogOutputStream.java
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/EditsDoubleBuffer.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/tools/offlineImageViewer/TestOfflineImageViewer.java


> Simpler model for Namenode's fs Image and edit Logs 
> ----------------------------------------------------
>
>                 Key: HDFS-1073
>                 URL: https://issues.apache.org/jira/browse/HDFS-1073
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>    Affects Versions: 0.23.0
>            Reporter: Sanjay Radia
>            Assignee: Todd Lipcon
>             Fix For: 0.23.0
>
>         Attachments: hdfs-1073-editloading-algos.txt, hdfs-1073-merge.patch, hdfs-1073-merge.patch,
hdfs-1073-merge.patch, hdfs-1073.txt, hdfs1073.pdf, hdfs1073.pdf, hdfs1073.pdf, hdfs1073.tex
>
>
> The naming and handling of  NN's fsImage and edit logs can be significantly improved
resulting simpler and more robust code.

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