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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-12749) DN may not send block report to NN after NN restart
Date Mon, 19 Nov 2018 14:48:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-12749?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16691789#comment-16691789
] 

Hadoop QA commented on HDFS-12749:
----------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m 21s{color} | {color:blue}
Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {color} ||
| {color:green}+1{color} | {color:green} @author {color} | {color:green}  0m  0s{color} |
{color:green} The patch does not contain any @author tags. {color} |
| {color:green}+1{color} | {color:green} test4tests {color} | {color:green}  0m  0s{color}
| {color:green} The patch appears to include 1 new or modified test files. {color} |
|| || || || {color:brown} trunk Compile Tests {color} ||
| {color:red}-1{color} | {color:red} mvninstall {color} | {color:red}  5m  3s{color} | {color:red}
root in trunk failed. {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m  4s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 51s{color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m  1s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 12m 41s{color}
| {color:green} branch has no errors when building and testing our client artifacts. {color}
|
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  1m 59s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 47s{color} |
{color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m  2s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 52s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 52s{color} | {color:green}
the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  0m 43s{color}
| {color:orange} hadoop-hdfs-project/hadoop-hdfs: The patch generated 2 new + 47 unchanged
- 0 fixed = 49 total (was 47) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 56s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green}  0m  0s{color}
| {color:green} The patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 11m 48s{color}
| {color:green} patch has no errors when building and testing our client artifacts. {color}
|
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  1m 57s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 44s{color} |
{color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red}214m 29s{color} | {color:red}
hadoop-hdfs in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 34s{color}
| {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black}256m 30s{color} | {color:black}
{color} |
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|| Reason || Tests ||
| Failed junit tests | hadoop.hdfs.protocol.datatransfer.sasl.TestSaslDataTransfer |
|   | hadoop.hdfs.server.namenode.TestAuditLoggerWithCommands |
|   | hadoop.hdfs.server.blockmanagement.TestUnderReplicatedBlocks |
|   | hadoop.hdfs.server.namenode.TestReconstructStripedBlocks |
|   | hadoop.hdfs.server.namenode.TestFileContextAcl |
|   | hadoop.hdfs.TestClientReportBadBlock |
|   | hadoop.hdfs.TestReconstructStripedFileWithRandomECPolicy |
|   | hadoop.hdfs.TestDFSStripedOutputStream |
|   | hadoop.hdfs.TestReservedRawPaths |
|   | hadoop.hdfs.server.mover.TestMover |
|   | hadoop.hdfs.server.sps.TestExternalStoragePolicySatisfier |
|   | hadoop.hdfs.server.namenode.TestFsck |
|   | hadoop.hdfs.server.namenode.snapshot.TestINodeFileUnderConstructionWithSnapshot |
|   | hadoop.hdfs.TestUnsetAndChangeDirectoryEcPolicy |
|   | hadoop.hdfs.server.namenode.TestDiskspaceQuotaUpdate |
|   | hadoop.hdfs.server.namenode.metrics.TestNameNodeMetrics |
|   | hadoop.hdfs.server.namenode.TestBackupNode |
|   | hadoop.hdfs.client.impl.TestClientBlockVerification |
|   | hadoop.hdfs.tools.TestViewFSStoragePolicyCommands |
|   | hadoop.hdfs.server.blockmanagement.TestBlockTokenWithDFS |
|   | hadoop.hdfs.server.namenode.TestNamenodeRetryCache |
|   | hadoop.hdfs.server.namenode.TestReencryptionWithKMS |
|   | hadoop.hdfs.server.namenode.snapshot.TestRenameWithSnapshots |
|   | hadoop.hdfs.server.namenode.TestCheckpoint |
|   | hadoop.hdfs.server.datanode.TestDataNodeReconfiguration |
|   | hadoop.hdfs.client.impl.TestBlockReaderLocal |
|   | hadoop.hdfs.TestAppendSnapshotTruncate |
|   | hadoop.hdfs.server.namenode.TestFSImage |
|   | hadoop.hdfs.TestFileStatus |
|   | hadoop.hdfs.TestErasureCodingMultipleRacks |
|   | hadoop.hdfs.web.TestWebHdfsTimeouts |
|   | hadoop.hdfs.TestDistributedFileSystemWithECFile |
|   | hadoop.hdfs.TestParallelUnixDomainRead |
|   | hadoop.hdfs.TestFileAppend4 |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailureWithRandomECPolicy |
|   | hadoop.hdfs.shortcircuit.TestShortCircuitLocalRead |
|   | hadoop.hdfs.TestErasureCodingPolicies |
|   | hadoop.hdfs.server.namenode.TestNamenodeCapacityReport |
|   | hadoop.hdfs.server.namenode.TestAddBlockRetry |
|   | hadoop.hdfs.TestSafeMode |
|   | hadoop.hdfs.server.namenode.snapshot.TestOpenFilesWithSnapshot |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure |
|   | hadoop.hdfs.server.datanode.TestIncrementalBlockReports |
|   | hadoop.hdfs.TestErasureCodingPoliciesWithRandomECPolicy |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithRandomECPolicy |
|   | hadoop.hdfs.TestFileCreation |
|   | hadoop.hdfs.TestEncryptionZonesWithHA |
|   | hadoop.hdfs.server.namenode.sps.TestStoragePolicySatisfierWithStripedFile |
|   | hadoop.hdfs.TestEncryptionZonesWithKMS |
|   | hadoop.hdfs.TestMiniDFSCluster |
|   | hadoop.hdfs.server.namenode.TestAuditLogs |
|   | hadoop.hdfs.TestDFSShell |
|   | hadoop.hdfs.TestFileAppend2 |
|   | hadoop.hdfs.TestDatanodeRegistration |
|   | hadoop.hdfs.server.namenode.TestFSEditLogLoader |
|   | hadoop.hdfs.TestDFSStorageStateRecovery |
|   | hadoop.hdfs.TestFileChecksum |
|   | hadoop.hdfs.server.namenode.TestCacheDirectives |
|   | hadoop.hdfs.TestDFSInputStream |
|   | hadoop.hdfs.client.impl.TestBlockReaderFactory |
|   | hadoop.hdfs.TestHDFSFileSystemContract |
|   | hadoop.hdfs.TestFileChecksumCompositeCrc |
|   | hadoop.hdfs.TestRead |
|   | hadoop.hdfs.TestReadStripedFileWithMissingBlocks |
|   | hadoop.hdfs.server.namenode.snapshot.TestSnapshotDeletion |
|   | hadoop.hdfs.TestDatanodeLayoutUpgrade |
|   | hadoop.hdfs.server.namenode.TestNameEditsConfigs |
|   | hadoop.hdfs.server.namenode.TestNameNodeStatusMXBean |
|   | hadoop.hdfs.qjournal.server.TestJournalNodeSync |
|   | hadoop.hdfs.server.namenode.ha.TestRetryCacheWithHA |
|   | hadoop.hdfs.web.TestWebHdfsWithRestCsrfPreventionFilter |
|   | hadoop.hdfs.tools.TestDFSAdmin |
|   | hadoop.hdfs.TestEncryptedTransfer |
|   | hadoop.hdfs.server.blockmanagement.TestBlockTokenWithDFSStriped |
|   | hadoop.hdfs.server.blockmanagement.TestBlocksWithNotEnoughRacks |
|   | hadoop.hdfs.server.diskbalancer.command.TestDiskBalancerCommand |
|   | hadoop.hdfs.server.namenode.TestAddOverReplicatedStripedBlocks |
|   | hadoop.hdfs.server.namenode.TestFSImageWithSnapshot |
|   | hadoop.hdfs.server.namenode.snapshot.TestRandomOpsWithSnapshots |
|   | hadoop.hdfs.client.impl.TestBlockReaderLocalLegacy |
|   | hadoop.hdfs.server.namenode.snapshot.TestAclWithSnapshot |
|   | hadoop.hdfs.TestDFSInotifyEventInputStream |
|   | hadoop.hdfs.TestErasureCodingExerciseAPIs |
|   | hadoop.hdfs.TestDFSStripedInputStream |
|   | hadoop.hdfs.TestDistributedFileSystemWithECFileWithRandomECPolicy |
|   | hadoop.hdfs.TestReconstructStripedFile |
|   | hadoop.hdfs.server.namenode.TestAddStripedBlocks |
|   | hadoop.hdfs.server.namenode.TestFavoredNodesEndToEnd |
|   | hadoop.hdfs.server.namenode.snapshot.TestSnapshot |
|   | hadoop.hdfs.TestErasureCodingPolicyWithSnapshotWithRandomECPolicy |
|   | hadoop.hdfs.server.namenode.TestNameNodeRecovery |
|   | hadoop.hdfs.TestReplication |
|   | hadoop.hdfs.TestFileAppend3 |
|   | hadoop.hdfs.TestErasureCodeBenchmarkThroughput |
|   | hadoop.hdfs.server.namenode.TestFSDirectory |
|   | hadoop.hdfs.TestPread |
|   | hadoop.hdfs.TestDatanodeDeath |
|   | hadoop.hdfs.server.namenode.snapshot.TestSnapRootDescendantDiff |
|   | hadoop.hdfs.server.namenode.TestQuotaByStorageType |
|   | hadoop.hdfs.server.balancer.TestBalancerRPCDelay |
|   | hadoop.hdfs.TestWriteRead |
|   | hadoop.hdfs.TestLeaseRecoveryStriped |
|   | hadoop.hdfs.TestErasureCodingPolicyWithSnapshot |
|   | hadoop.hdfs.TestFileAppend |
|   | hadoop.hdfs.tools.offlineEditsViewer.TestOfflineEditsViewer |
|   | hadoop.hdfs.server.namenode.TestDefaultBlockPlacementPolicy |
|   | hadoop.hdfs.TestReadStripedFileWithDecoding |
|   | hadoop.hdfs.TestDecommission |
|   | hadoop.hdfs.qjournal.client.TestQuorumJournalManager |
|   | hadoop.hdfs.TestAbandonBlock |
|   | hadoop.hdfs.server.blockmanagement.TestOverReplicatedBlocks |
|   | hadoop.hdfs.qjournal.client.TestQJMWithFaults |
|   | hadoop.hdfs.TestReadStripedFileWithDNFailure |
|   | hadoop.hdfs.server.namenode.snapshot.TestSnapshotBlocksMap |
|   | hadoop.hdfs.TestSetrepDecreasing |
|   | hadoop.hdfs.server.namenode.snapshot.TestSnapshotDiffReport |
|   | hadoop.hdfs.qjournal.client.TestQuorumCall |
|   | hadoop.hdfs.TestCrcCorruption |
|   | hadoop.hdfs.TestDecommissionWithStriped |
|   | hadoop.hdfs.server.namenode.TestBlockPlacementPolicyRackFaultTolerant |
|   | hadoop.hdfs.web.TestWebHDFSAcl |
|   | hadoop.hdfs.server.balancer.TestBalancer |
|   | hadoop.hdfs.server.namenode.TestCommitBlockWithInvalidGenStamp |
|   | hadoop.hdfs.TestBlockStoragePolicy |
|   | hadoop.hdfs.TestLeaseRecovery2 |
|   | hadoop.hdfs.TestEncryptionZones |
|   | hadoop.hdfs.tools.offlineImageViewer.TestOfflineImageViewerWithStripedBlocks |
|   | hadoop.hdfs.server.blockmanagement.TestBlockManager |
|   | hadoop.hdfs.TestDFSStripedInputStreamWithRandomECPolicy |
|   | hadoop.cli.TestHDFSCLI |
|   | hadoop.hdfs.server.namenode.TestReencryption |
|   | hadoop.hdfs.server.namenode.TestPersistentStoragePolicySatisfier |
|   | hadoop.hdfs.server.namenode.TestEditLogRace |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:8f97d6f |
| JIRA Issue | HDFS-12749 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12925261/HDFS-12749-trunk.005.patch
|
| Optional Tests |  dupname  asflicense  compile  javac  javadoc  mvninstall  mvnsite  unit
 shadedclient  findbugs  checkstyle  |
| uname | Linux 70d97ca088fe 4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018
x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / 5a7ca6a |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_181 |
| mvninstall | https://builds.apache.org/job/PreCommit-HDFS-Build/25556/artifact/out/branch-mvninstall-root.txt
|
| findbugs | v3.1.0-RC1 |
| checkstyle | https://builds.apache.org/job/PreCommit-HDFS-Build/25556/artifact/out/diff-checkstyle-hadoop-hdfs-project_hadoop-hdfs.txt
|
| unit | https://builds.apache.org/job/PreCommit-HDFS-Build/25556/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
|
|  Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/25556/testReport/ |
| Max. process+thread count | 2620 (vs. ulimit of 10000) |
| modules | C: hadoop-hdfs-project/hadoop-hdfs U: hadoop-hdfs-project/hadoop-hdfs |
| Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/25556/console |
| Powered by | Apache Yetus 0.8.0   http://yetus.apache.org |


This message was automatically generated.



> DN may not send block report to NN after NN restart
> ---------------------------------------------------
>
>                 Key: HDFS-12749
>                 URL: https://issues.apache.org/jira/browse/HDFS-12749
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: datanode
>    Affects Versions: 2.7.1, 2.8.3, 2.7.5, 3.0.0, 2.9.1
>            Reporter: TanYuxin
>            Assignee: He Xiaoqiao
>            Priority: Major
>         Attachments: HDFS-12749-branch-2.7.002.patch, HDFS-12749-trunk.003.patch, HDFS-12749-trunk.004.patch,
HDFS-12749-trunk.005.patch, HDFS-12749.001.patch
>
>
> Now our cluster have thousands of DN, millions of files and blocks. When NN restart,
NN's load is very high.
> After NN restart´╝îDN will call BPServiceActor#reRegister method to register. But register
RPC will get a IOException since NN is busy dealing with Block Report.  The exception is caught
at BPServiceActor#processCommand.
> Next is the caught IOException:
> {code:java}
> WARN org.apache.hadoop.hdfs.server.datanode.DataNode: Error processing datanode Command
> java.io.IOException: Failed on local exception: java.io.IOException: java.net.SocketTimeoutException:
60000 millis timeout while waiting for channel to be ready for read. ch : java.nio.channels.SocketChannel[connected
local=/DataNode_IP:Port remote=NameNode_Host/IP:Port]; Host Details : local host is: "DataNode_Host/Datanode_IP";
destination host is: "NameNode_Host":Port;
>         at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:773)
>         at org.apache.hadoop.ipc.Client.call(Client.java:1474)
>         at org.apache.hadoop.ipc.Client.call(Client.java:1407)
>         at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
>         at com.sun.proxy.$Proxy13.registerDatanode(Unknown Source)
>         at org.apache.hadoop.hdfs.protocolPB.DatanodeProtocolClientSideTranslatorPB.registerDatanode(DatanodeProtocolClientSideTranslatorPB.java:126)
>         at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.register(BPServiceActor.java:793)
>         at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.reRegister(BPServiceActor.java:926)
>         at org.apache.hadoop.hdfs.server.datanode.BPOfferService.processCommandFromActor(BPOfferService.java:604)
>         at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.processCommand(BPServiceActor.java:898)
>         at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.offerService(BPServiceActor.java:711)
>         at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.run(BPServiceActor.java:864)
>         at java.lang.Thread.run(Thread.java:745)
> {code}
> The un-catched IOException breaks BPServiceActor#register, and the Block Report can not
be sent immediately. 
> {code}
>   /**
>    * Register one bp with the corresponding NameNode
>    * <p>
>    * The bpDatanode needs to register with the namenode on startup in order
>    * 1) to report which storage it is serving now and 
>    * 2) to receive a registrationID
>    *  
>    * issued by the namenode to recognize registered datanodes.
>    * 
>    * @param nsInfo current NamespaceInfo
>    * @see FSNamesystem#registerDatanode(DatanodeRegistration)
>    * @throws IOException
>    */
>   void register(NamespaceInfo nsInfo) throws IOException {
>     // The handshake() phase loaded the block pool storage
>     // off disk - so update the bpRegistration object from that info
>     DatanodeRegistration newBpRegistration = bpos.createRegistration();
>     LOG.info(this + " beginning handshake with NN");
>     while (shouldRun()) {
>       try {
>         // Use returned registration from namenode with updated fields
>         newBpRegistration = bpNamenode.registerDatanode(newBpRegistration);
>         newBpRegistration.setNamespaceInfo(nsInfo);
>         bpRegistration = newBpRegistration;
>         break;
>       } catch(EOFException e) {  // namenode might have just restarted
>         LOG.info("Problem connecting to server: " + nnAddr + " :"
>             + e.getLocalizedMessage());
>         sleepAndLogInterrupts(1000, "connecting to server");
>       } catch(SocketTimeoutException e) {  // namenode is busy
>         LOG.info("Problem connecting to server: " + nnAddr);
>         sleepAndLogInterrupts(1000, "connecting to server");
>       }
>     }
>     
>     LOG.info("Block pool " + this + " successfully registered with NN");
>     bpos.registrationSucceeded(this, bpRegistration);
>     // random short delay - helps scatter the BR from all DNs
>     scheduler.scheduleBlockReport(dnConf.initialBlockReportDelay);
>   }
> {code}
> But NameNode has processed registerDatanode successfully, so it won't ask DN to re-register
again



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