See <https://builds.apache.org/job/Hadoop-Hdfs-trunk/3089/changes>
Changes: [szetszwo] HADOOP-12957. Limit the number of outstanding async calls. Contributed [wang] MAPREDUCE-6537. Include hadoop-pipes examples in the release tarball. ------------------------------------------ [...truncated 9944 lines...] Tests run: 31, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 5.026 sec - in org.apache.hadoop.hdfs.TestDFSUtil Running org.apache.hadoop.hdfs.TestErasureCodeBenchmarkThroughput Tests run: 23, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 118.558 sec - in org.apache.hadoop.hdfs.TestFileCreation Running org.apache.hadoop.hdfs.TestWriteBlockGetsBlockLengthHint Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 18.952 sec - in org.apache.hadoop.hdfs.TestErasureCodeBenchmarkThroughput Running org.apache.hadoop.hdfs.TestDataTransferKeepalive Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 8.351 sec - in org.apache.hadoop.hdfs.TestWriteBlockGetsBlockLengthHint Running org.apache.hadoop.hdfs.TestDFSStripedOutputStreamWithFailure060 Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 185.954 sec - in org.apache.hadoop.hdfs.TestReadStripedFileWithDecoding Running org.apache.hadoop.hdfs.TestLease Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 24.269 sec - in org.apache.hadoop.hdfs.TestDataTransferKeepalive Running org.apache.hadoop.hdfs.TestDFSStripedOutputStreamWithFailure Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 16.668 sec - in org.apache.hadoop.hdfs.TestLease Running org.apache.hadoop.hdfs.TestDFSStripedOutputStreamWithFailure070 Tests run: 10, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.771 sec - in org.apache.hadoop.hdfs.TestDFSStripedOutputStreamWithFailure070 Running org.apache.hadoop.hdfs.TestEncryptionZonesWithKMS Tests run: 10, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 61.727 sec - in org.apache.hadoop.hdfs.TestDFSStripedOutputStreamWithFailure060 Running org.apache.hadoop.hdfs.TestReconstructStripedFile Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 393.593 sec - in org.apache.hadoop.hdfs.qjournal.client.TestQJMWithFaults Running org.apache.hadoop.hdfs.TestAbandonBlock Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 19.599 sec - in org.apache.hadoop.hdfs.TestAbandonBlock Running org.apache.hadoop.hdfs.TestExternalBlockReader Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 11.833 sec - in org.apache.hadoop.hdfs.TestExternalBlockReader Running org.apache.hadoop.hdfs.TestFileCreationClient Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 35.974 sec - in org.apache.hadoop.hdfs.TestFileCreationClient Running org.apache.hadoop.hdfs.TestDFSStripedOutputStreamWithFailure020 Tests run: 10, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.538 sec - in org.apache.hadoop.hdfs.TestDFSStripedOutputStreamWithFailure020 Running org.apache.hadoop.hdfs.TestFileCreationDelete Tests run: 25, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 126.049 sec - in org.apache.hadoop.hdfs.TestEncryptionZonesWithKMS Running org.apache.hadoop.tracing.TestTraceAdmin Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 9.246 sec - in org.apache.hadoop.tracing.TestTraceAdmin Running org.apache.hadoop.tracing.TestTracing Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 20.717 sec - in org.apache.hadoop.hdfs.TestFileCreationDelete Running org.apache.hadoop.tracing.TestTracingShortCircuitLocalRead Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 12.099 sec - in org.apache.hadoop.tracing.TestTracing Running org.apache.hadoop.net.TestNetworkTopology Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 157.137 sec - in org.apache.hadoop.hdfs.TestDFSStripedOutputStreamWithFailure Running org.apache.hadoop.TestGenericRefresh Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 9.831 sec - in org.apache.hadoop.tracing.TestTracingShortCircuitLocalRead Running org.apache.hadoop.tools.TestHdfsConfigFields Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.356 sec - in org.apache.hadoop.tools.TestHdfsConfigFields Running org.apache.hadoop.tools.TestTools Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 2.888 sec - in org.apache.hadoop.tools.TestTools Running org.apache.hadoop.tools.TestJMXGet Tests run: 9, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 8.841 sec - in org.apache.hadoop.TestGenericRefresh Running org.apache.hadoop.cli.TestErasureCodingCLI Tests run: 10, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 14.507 sec - in org.apache.hadoop.net.TestNetworkTopology Tests run: 13, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 123.425 sec - in org.apache.hadoop.hdfs.TestReconstructStripedFile Running org.apache.hadoop.cli.TestHDFSCLI Running org.apache.hadoop.cli.TestCryptoAdminCLI Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 14.09 sec - in org.apache.hadoop.tools.TestJMXGet Running org.apache.hadoop.cli.TestAclCLI Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 13.838 sec - in org.apache.hadoop.cli.TestErasureCodingCLI Running org.apache.hadoop.cli.TestDeleteCLI Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 13.534 sec - in org.apache.hadoop.cli.TestCryptoAdminCLI Running org.apache.hadoop.cli.TestXAttrCLI Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 9.797 sec - in org.apache.hadoop.cli.TestAclCLI Running org.apache.hadoop.cli.TestCacheAdminCLI Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 12.473 sec - in org.apache.hadoop.cli.TestDeleteCLI Running org.apache.hadoop.TestRefreshCallQueue Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 12.073 sec - in org.apache.hadoop.cli.TestXAttrCLI Running org.apache.hadoop.fs.TestWebHdfsFileContextMainOperations Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 11.961 sec - in org.apache.hadoop.cli.TestCacheAdminCLI Running org.apache.hadoop.fs.TestFcHdfsSetUMask Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 9.245 sec - in org.apache.hadoop.TestRefreshCallQueue Running org.apache.hadoop.fs.contract.hdfs.TestHDFSContractConcat Tests run: 12, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 10.165 sec - in org.apache.hadoop.fs.TestFcHdfsSetUMask Running org.apache.hadoop.fs.contract.hdfs.TestHDFSContractRootDirectory Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 10.408 sec - in org.apache.hadoop.fs.contract.hdfs.TestHDFSContractConcat Tests run: 61, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 19.532 sec - in org.apache.hadoop.fs.TestWebHdfsFileContextMainOperations Running org.apache.hadoop.fs.contract.hdfs.TestHDFSContractRename Running org.apache.hadoop.fs.contract.hdfs.TestHDFSContractSetTimes Tests run: 6, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 8.936 sec - in org.apache.hadoop.fs.contract.hdfs.TestHDFSContractRootDirectory Running org.apache.hadoop.fs.contract.hdfs.TestHDFSContractOpen Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 8.53 sec - in org.apache.hadoop.fs.contract.hdfs.TestHDFSContractSetTimes Running org.apache.hadoop.fs.contract.hdfs.TestHDFSContractAppend Tests run: 6, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 11.1 sec - in org.apache.hadoop.fs.contract.hdfs.TestHDFSContractRename Running org.apache.hadoop.fs.contract.hdfs.TestHDFSContractCreate Tests run: 6, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 11.965 sec - in org.apache.hadoop.fs.contract.hdfs.TestHDFSContractOpen Running org.apache.hadoop.fs.contract.hdfs.TestHDFSContractGetFileStatus Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 12.398 sec - in org.apache.hadoop.fs.contract.hdfs.TestHDFSContractAppend Running org.apache.hadoop.fs.contract.hdfs.TestHDFSContractSeek Tests run: 6, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 11.671 sec - in org.apache.hadoop.fs.contract.hdfs.TestHDFSContractCreate Running org.apache.hadoop.fs.contract.hdfs.TestHDFSContractDelete Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 8.346 sec - in org.apache.hadoop.fs.contract.hdfs.TestHDFSContractGetFileStatus Running org.apache.hadoop.fs.contract.hdfs.TestHDFSContractMkdir Tests run: 8, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 9.278 sec - in org.apache.hadoop.fs.contract.hdfs.TestHDFSContractDelete Running org.apache.hadoop.fs.TestResolveHdfsSymlink Tests run: 18, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 15.999 sec - in org.apache.hadoop.fs.contract.hdfs.TestHDFSContractSeek Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 86.999 sec - in org.apache.hadoop.cli.TestHDFSCLI Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 9.195 sec - in org.apache.hadoop.fs.contract.hdfs.TestHDFSContractMkdir Running org.apache.hadoop.fs.TestSymlinkHdfsDisable Running org.apache.hadoop.fs.TestUrlStreamHandler Running org.apache.hadoop.fs.permission.TestStickyBit Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 9.046 sec - in org.apache.hadoop.fs.TestResolveHdfsSymlink Running org.apache.hadoop.fs.loadGenerator.TestLoadGenerator Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 9.11 sec - in org.apache.hadoop.fs.TestSymlinkHdfsDisable Running org.apache.hadoop.fs.viewfs.TestViewFsWithXAttrs Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 9.771 sec - in org.apache.hadoop.fs.TestUrlStreamHandler Running org.apache.hadoop.fs.viewfs.TestViewFsDefaultValue Tests run: 6, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 18.681 sec - in org.apache.hadoop.fs.permission.TestStickyBit Running org.apache.hadoop.fs.viewfs.TestViewFsHdfs Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 11.53 sec - in org.apache.hadoop.fs.viewfs.TestViewFsWithXAttrs Tests run: 7, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 10.333 sec - in org.apache.hadoop.fs.viewfs.TestViewFsDefaultValue Running org.apache.hadoop.fs.viewfs.TestViewFsWithAcls Running org.apache.hadoop.fs.viewfs.TestViewFsFileStatusHdfs Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 21.546 sec - in org.apache.hadoop.fs.loadGenerator.TestLoadGenerator Running org.apache.hadoop.fs.viewfs.TestViewFileSystemHdfs Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 9.765 sec - in org.apache.hadoop.fs.viewfs.TestViewFsFileStatusHdfs Running org.apache.hadoop.fs.viewfs.TestViewFileSystemWithXAttrs Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 10.637 sec - in org.apache.hadoop.fs.viewfs.TestViewFsWithAcls Running org.apache.hadoop.fs.viewfs.TestViewFileSystemWithAcls Tests run: 58, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 18.605 sec - in org.apache.hadoop.fs.viewfs.TestViewFsHdfs Running org.apache.hadoop.fs.viewfs.TestViewFileSystemAtHdfsRoot Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 10.361 sec - in org.apache.hadoop.fs.viewfs.TestViewFileSystemWithXAttrs Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 9.971 sec - in org.apache.hadoop.fs.viewfs.TestViewFileSystemWithAcls Running org.apache.hadoop.fs.viewfs.TestViewFsAtHdfsRoot Running org.apache.hadoop.fs.TestHDFSFileContextMainOperations Tests run: 60, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 28.689 sec - in org.apache.hadoop.fs.viewfs.TestViewFileSystemHdfs Running org.apache.hadoop.fs.TestSymlinkHdfsFileContext Tests run: 58, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 18.226 sec - in org.apache.hadoop.fs.viewfs.TestViewFsAtHdfsRoot Running org.apache.hadoop.fs.TestGlobPaths Tests run: 69, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 19.419 sec - in org.apache.hadoop.fs.TestHDFSFileContextMainOperations Running org.apache.hadoop.fs.TestSymlinkHdfsFileSystem Tests run: 60, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 27.554 sec - in org.apache.hadoop.fs.viewfs.TestViewFileSystemAtHdfsRoot Running org.apache.hadoop.fs.shell.TestHdfsTextCommand Tests run: 36, Failures: 0, Errors: 0, Skipped: 6, Time elapsed: 10.982 sec - in org.apache.hadoop.fs.TestGlobPaths Running org.apache.hadoop.fs.TestSWebHdfsFileContextMainOperations Tests run: 71, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 21.517 sec - in org.apache.hadoop.fs.TestSymlinkHdfsFileContext Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 10.152 sec - in org.apache.hadoop.fs.shell.TestHdfsTextCommand Running org.apache.hadoop.fs.TestHdfsNativeCodeLoader Running org.apache.hadoop.fs.TestFcHdfsPermission Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.328 sec - in org.apache.hadoop.fs.TestHdfsNativeCodeLoader Running org.apache.hadoop.fs.TestEnhancedByteBufferAccess Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 11.239 sec - in org.apache.hadoop.fs.TestFcHdfsPermission Tests run: 74, Failures: 0, Errors: 0, Skipped: 2, Time elapsed: 25.655 sec - in org.apache.hadoop.fs.TestSymlinkHdfsFileSystem Running org.apache.hadoop.fs.TestFcHdfsCreateMkdir Running org.apache.hadoop.fs.TestUnbuffer Tests run: 8, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 10.451 sec - in org.apache.hadoop.fs.TestFcHdfsCreateMkdir Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 15.98 sec - in org.apache.hadoop.fs.TestUnbuffer Tests run: 10, Failures: 0, Errors: 0, Skipped: 1, Time elapsed: 35.12 sec - in org.apache.hadoop.fs.TestEnhancedByteBufferAccess Tests run: 61, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 123.718 sec - in org.apache.hadoop.fs.TestSWebHdfsFileContextMainOperations Results : Failed tests: TestSafeModeWithStripedFile.testStripedFile0:76->doTest:156 null TestBlockManager.testBlockReportQueueing:1074 null TestNameNodeMetadataConsistency.testGenerationStampInFuture:113 expected:<17> but was:<0> TestDFSUpgradeWithHA.testRollbackWithJournalNodes:687 null TestRollingUpgrade.testRollback:351 Test resulted in an unexpected exit Tests in error: TestRollingFileSystemSinkWithSecureHdfs.testMissingPropertiesWithSecureHDFS:146->createDirectoriesSecurely:192 » IO TestDelegationTokenForProxyUser.testWebHdfsDoAs:170 » test timed out after 50... TestAsyncDFSRename.testAggressiveConcurrentAsyncRenameWithOverwrite:184->internalTestConcurrentAsyncRenameWithOverwrite:221->Object.wait:-2 » TestAsyncDFSRename.testConservativeConcurrentAsyncRenameWithOverwrite:191->internalTestConcurrentAsyncRenameWithOverwrite:221 » TestAsyncDFSRename.testAsyncRenameWithOverwrite:56 » IO Cannot remove data dir... TestBlockScanner.testDatanodeCursor:572 » Timeout Timed out waiting for condit... TestOpenFilesWithSnapshot.testParentDirWithUCFileDeleteWithSnapShot:82 » IO Ti... TestEditLogTailer.testNN1TriggersLogRolls:146->testStandbyTriggersLogRolls:178->waitForLogRollInSharedDir:199 » Timeout TestFileTruncate.testTruncateWithDataNodesRestart:704 » Timeout Timed out wait... Tests run: 4403, Failures: 5, Errors: 9, Skipped: 17 [INFO] [INFO] ------------------------------------------------------------------------ [INFO] Skipping Apache Hadoop HDFS Native Client [INFO] This project has been banned from the build due to previous failures. [INFO] ------------------------------------------------------------------------ [INFO] [INFO] ------------------------------------------------------------------------ [INFO] Skipping Apache Hadoop HttpFS [INFO] This project has been banned from the build due to previous failures. [INFO] ------------------------------------------------------------------------ [INFO] [INFO] ------------------------------------------------------------------------ [INFO] Skipping Apache Hadoop HDFS BookKeeper Journal [INFO] This project has been banned from the build due to previous failures. [INFO] ------------------------------------------------------------------------ [INFO] [INFO] ------------------------------------------------------------------------ [INFO] Skipping Apache Hadoop HDFS-NFS [INFO] This project has been banned from the build due to previous failures. [INFO] ------------------------------------------------------------------------ [INFO] [INFO] ------------------------------------------------------------------------ [INFO] Building Apache Hadoop HDFS Project 3.0.0-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] [INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ hadoop-hdfs-project --- [INFO] Deleting <https://builds.apache.org/job/Hadoop-Hdfs-trunk/ws/hadoop-hdfs-project/target> [INFO] [INFO] --- maven-antrun-plugin:1.7:run (create-testdirs) @ hadoop-hdfs-project --- [INFO] Executing tasks main: [mkdir] Created dir: <https://builds.apache.org/job/Hadoop-Hdfs-trunk/ws/hadoop-hdfs-project/target/test-dir> [INFO] Executed tasks [INFO] [INFO] --- maven-source-plugin:2.3:jar-no-fork (hadoop-java-sources) @ hadoop-hdfs-project --- [INFO] [INFO] --- maven-source-plugin:2.3:test-jar-no-fork (hadoop-java-sources) @ hadoop-hdfs-project --- [INFO] [INFO] --- maven-enforcer-plugin:1.3.1:enforce (dist-enforce) @ hadoop-hdfs-project --- [INFO] [INFO] --- maven-site-plugin:3.5:attach-descriptor (attach-descriptor) @ hadoop-hdfs-project --- [INFO] [INFO] --- maven-javadoc-plugin:2.8.1:jar (module-javadocs) @ hadoop-hdfs-project --- [INFO] Skipping javadoc generation [INFO] [INFO] --- maven-enforcer-plugin:1.3.1:enforce (depcheck) @ hadoop-hdfs-project --- [INFO] [INFO] --- maven-checkstyle-plugin:2.15:checkstyle (default-cli) @ hadoop-hdfs-project --- [INFO] [INFO] --- findbugs-maven-plugin:3.0.0:findbugs (default-cli) @ hadoop-hdfs-project --- [INFO] ------------------------------------------------------------------------ [INFO] Reactor Summary: [INFO] [INFO] Apache Hadoop HDFS Client ......................... SUCCESS [05:12 min] [INFO] Apache Hadoop HDFS ................................ FAILURE [ 01:39 h] [INFO] Apache Hadoop HDFS Native Client .................. SKIPPED [INFO] Apache Hadoop HttpFS .............................. SKIPPED [INFO] Apache Hadoop HDFS BookKeeper Journal ............. SKIPPED [INFO] Apache Hadoop HDFS-NFS ............................ SKIPPED [INFO] Apache Hadoop HDFS Project ........................ SUCCESS [ 0.105 s] [INFO] ------------------------------------------------------------------------ [INFO] BUILD FAILURE [INFO] ------------------------------------------------------------------------ [INFO] Total time: 01:44 h [INFO] Finished at: 2016-05-03T00:42:44+00:00 [INFO] Final Memory: 59M/804M [INFO] ------------------------------------------------------------------------ [ERROR] Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:2.17:test (default-test) on project hadoop-hdfs: There are test failures. [ERROR] [ERROR] Please refer to <https://builds.apache.org/job/Hadoop-Hdfs-trunk/ws/hadoop-hdfs-project/hadoop-hdfs/target/surefire-reports> for the individual test results. [ERROR] -> [Help 1] [ERROR] [ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch. [ERROR] Re-run Maven using the -X switch to enable full debug logging. [ERROR] [ERROR] For more information about the errors and possible solutions, please read the following articles: [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException [ERROR] [ERROR] After correcting the problems, you can resume the build with the command [ERROR] mvn <goals> -rf :hadoop-hdfs Build step 'Execute shell' marked build as failure Archiving artifacts Recording test results --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-dev-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-dev-h...@hadoop.apache.org
