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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-4777) File creation with overwrite flag set to true results in logSync holding namesystem lock
Date Tue, 30 Apr 2013 04:06:17 GMT

    [ https://issues.apache.org/jira/browse/HDFS-4777?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13645220#comment-13645220
] 

Hadoop QA commented on HDFS-4777:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12581106/HDFS-4777.patch
  against trunk revision .

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

    {color:green}+1 tests included{color}.  The patch appears to include 1 new or modified
test files.

    {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.TestParallelImageWrite
                  org.apache.hadoop.hdfs.TestSafeMode
                  org.apache.hadoop.fs.viewfs.TestViewFileSystemAtHdfsRoot
                  org.apache.hadoop.hdfs.TestParallelUnixDomainRead
                  org.apache.hadoop.hdfs.TestLease
                  org.apache.hadoop.hdfs.TestLeaseRecovery2
                  org.apache.hadoop.hdfs.TestLeaseRecovery
                  org.apache.hadoop.hdfs.web.TestWebHdfsFileSystemContract
                  org.apache.hadoop.fs.TestResolveHdfsSymlink
                  org.apache.hadoop.hdfs.server.namenode.ha.TestStandbyCheckpoints
                  org.apache.hadoop.hdfs.server.namenode.ha.TestBootstrapStandby
                  org.apache.hadoop.hdfs.server.namenode.TestCheckPointForSecurityTokens
                  org.apache.hadoop.hdfs.server.namenode.TestNameNodeResourceChecker
                  org.apache.hadoop.hdfs.server.namenode.ha.TestHASafeMode
                  org.apache.hadoop.hdfs.TestDFSShell
                  org.apache.hadoop.hdfs.TestFileCreation
                  org.apache.hadoop.hdfs.TestDFSFinalize
                  org.apache.hadoop.hdfs.TestDFSStartupVersions
                  org.apache.hadoop.hdfs.tools.offlineImageViewer.TestOfflineImageViewer
                  org.apache.hadoop.hdfs.TestDataTransferProtocol
                  org.apache.hadoop.hdfs.TestDFSClientRetries
                  org.apache.hadoop.hdfs.tools.offlineEditsViewer.TestOfflineEditsViewer
                  org.apache.hadoop.hdfs.TestMiniDFSCluster
                  org.apache.hadoop.fs.viewfs.TestViewFsAtHdfsRoot
                  org.apache.hadoop.hdfs.server.namenode.TestSaveNamespace
                  org.apache.hadoop.hdfs.server.namenode.ha.TestDelegationTokensWithHA
                  org.apache.hadoop.hdfs.TestParallelShortCircuitReadUnCached
                  org.apache.hadoop.hdfs.TestFetchImage
                  org.apache.hadoop.hdfs.TestDFSRollback
                  org.apache.hadoop.fs.viewfs.TestViewFileSystemHdfs
                  org.apache.hadoop.fs.TestHDFSFileContextMainOperations
                  org.apache.hadoop.hdfs.TestParallelShortCircuitLegacyRead
                  org.apache.hadoop.hdfs.server.namenode.ha.TestDNFencing
                  org.apache.hadoop.hdfs.server.namenode.TestSecurityTokenEditLog
                  org.apache.hadoop.cli.TestHDFSCLI
                  org.apache.hadoop.hdfs.server.blockmanagement.TestOverReplicatedBlocks
                  org.apache.hadoop.hdfs.server.namenode.TestStartup
                  org.apache.hadoop.hdfs.server.namenode.TestINodeFile
                  org.apache.hadoop.fs.viewfs.TestViewFsHdfs
                  org.apache.hadoop.hdfs.server.namenode.TestCheckpoint
                  org.apache.hadoop.hdfs.TestHDFSFileSystemContract
                  org.apache.hadoop.hdfs.security.TestDelegationToken
                  org.apache.hadoop.hdfs.server.namenode.TestNNStorageRetentionFunctional
                  org.apache.hadoop.hdfs.TestDFSPermission
                  org.apache.hadoop.hdfs.TestParallelShortCircuitReadNoChecksum
                  org.apache.hadoop.hdfs.security.TestDelegationTokenForProxyUser
                  org.apache.hadoop.hdfs.TestDFSStorageStateRecovery
                  org.apache.hadoop.hdfs.TestParallelShortCircuitRead
                  org.apache.hadoop.hdfs.server.namenode.metrics.TestNameNodeMetrics
                  org.apache.hadoop.hdfs.web.TestWebHDFS
                  org.apache.hadoop.hdfs.TestParallelRead
                  org.apache.hadoop.hdfs.server.namenode.ha.TestPipelinesFailover
                  org.apache.hadoop.hdfs.server.namenode.TestFSEditLogLoader
                  org.apache.hadoop.hdfs.server.namenode.ha.TestHAStateTransitions
                  org.apache.hadoop.hdfs.tools.TestDFSHAAdminMiniCluster
                  org.apache.hadoop.hdfs.TestDFSUpgrade
                  org.apache.hadoop.hdfs.web.TestFSMainOperationsWebHdfs
                  org.apache.hadoop.hdfs.server.datanode.TestHSync

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

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/4342//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/4342//console

This message is automatically generated.
                
> File creation with overwrite flag set to true results in logSync holding namesystem lock
> ----------------------------------------------------------------------------------------
>
>                 Key: HDFS-4777
>                 URL: https://issues.apache.org/jira/browse/HDFS-4777
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: namenode
>    Affects Versions: 0.23.0, 2.0.0-alpha
>            Reporter: Suresh Srinivas
>            Assignee: Suresh Srinivas
>            Priority: Blocker
>         Attachments: HDFS-4777.patch
>
>
> FSNamesystem#startFileInternal calls delete. Delete method releases the write lock, making
parts of startFileInternal code unintentionally executed without write lock being held.

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