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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8999) Namenode need not wait for {{blockReceived}} for the last block before completing a file.
Date Tue, 26 Jan 2016 06:19:40 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8999?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15116762#comment-15116762
] 

Hadoop QA commented on HDFS-8999:
---------------------------------

| (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 0s {color} | {color:blue}
Docker mode activated. {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 5 new or modified test files. {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 20s {color} | {color:blue}
Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 7m 50s {color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 42s {color} |
{color:green} trunk passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 27s {color} |
{color:green} trunk passed with JDK v1.7.0_91 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 37s {color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m 28s {color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 25s {color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 4m 22s {color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 46s {color} |
{color:green} trunk passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 2m 38s {color} |
{color:green} trunk passed with JDK v1.7.0_91 {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 21s {color} | {color:blue}
Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m 37s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 2m 5s {color} | {color:green}
the patch passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 2m 5s {color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 46s {color} |
{color:green} the patch passed with JDK v1.7.0_91 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m 46s {color} | {color:green}
the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 0m 44s {color} | {color:red}
hadoop-hdfs-project: patch generated 4 new + 1027 unchanged - 3 fixed = 1031 total (was 1030)
{color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m 43s {color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 22s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m 1s {color}
| {color:green} Patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 4m 58s {color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 52s {color} |
{color:green} the patch passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 2m 48s {color} |
{color:green} the patch passed with JDK v1.7.0_91 {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 1m 11s {color} | {color:green}
hadoop-hdfs-client in the patch passed with JDK v1.8.0_66. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 79m 19s {color} | {color:red}
hadoop-hdfs in the patch failed with JDK v1.8.0_66. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 1m 13s {color} | {color:green}
hadoop-hdfs-client in the patch passed with JDK v1.7.0_91. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 103m 46s {color} | {color:red}
hadoop-hdfs in the patch failed with JDK v1.7.0_91. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 44s {color}
| {color:green} Patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 230m 38s {color} | {color:black}
{color} |
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|| Reason || Tests ||
| JDK v1.8.0_66 Failed junit tests | hadoop.hdfs.server.datanode.TestDirectoryScanner |
|   | hadoop.hdfs.server.namenode.ha.TestHAAppend |
|   | hadoop.hdfs.server.datanode.fsdataset.impl.TestLazyPersistReplicaRecovery |
|   | hadoop.hdfs.security.TestDelegationTokenForProxyUser |
|   | hadoop.hdfs.TestFileAppend |
|   | hadoop.hdfs.server.namenode.ha.TestDFSUpgradeWithHA |
|   | hadoop.hdfs.TestDFSUpgradeFromImage |
|   | hadoop.hdfs.server.datanode.TestBlockScanner |
| JDK v1.8.0_66 Timed out junit tests | org.apache.hadoop.hdfs.TestLeaseRecovery2 |
|   | org.apache.hadoop.hdfs.TestDFSStripedOutputStreamWithFailure190 |
|   | org.apache.hadoop.hdfs.TestClientProtocolForPipelineRecovery |
|   | org.apache.hadoop.hdfs.TestDFSRename |
| JDK v1.7.0_91 Failed junit tests | hadoop.hdfs.server.datanode.TestDirectoryScanner |
|   | hadoop.hdfs.TestEncryptionZones |
|   | hadoop.hdfs.server.namenode.TestNameNodeMetadataConsistency |
|   | hadoop.hdfs.server.namenode.ha.TestHAAppend |
|   | hadoop.hdfs.server.namenode.TestDecommissioningStatus |
|   | hadoop.hdfs.qjournal.TestSecureNNWithQJM |
|   | hadoop.hdfs.TestMissingBlocksAlert |
|   | hadoop.hdfs.server.namenode.ha.TestRequestHedgingProxyProvider |
|   | hadoop.hdfs.server.datanode.TestBlockScanner |
|   | hadoop.hdfs.server.datanode.TestDataNodeVolumeFailure |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:0ca8df7 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12784314/h8999_20160121c.patch
|
| JIRA Issue | HDFS-8999 |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  unit  findbugs
 checkstyle  |
| uname | Linux b6c7d7085b81 3.13.0-36-lowlatency #63-Ubuntu SMP PREEMPT Wed Sep 3 21:56:12
UTC 2014 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / 2085e60 |
| Default Java | 1.7.0_91 |
| Multi-JDK versions |  /usr/lib/jvm/java-8-oracle:1.8.0_66 /usr/lib/jvm/java-7-openjdk-amd64:1.7.0_91
|
| findbugs | v3.0.0 |
| checkstyle | https://builds.apache.org/job/PreCommit-HDFS-Build/14239/artifact/patchprocess/diff-checkstyle-hadoop-hdfs-project.txt
|
| unit | https://builds.apache.org/job/PreCommit-HDFS-Build/14239/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_66.txt
|
| unit | https://builds.apache.org/job/PreCommit-HDFS-Build/14239/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.7.0_91.txt
|
| unit test logs |  https://builds.apache.org/job/PreCommit-HDFS-Build/14239/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_66.txt
https://builds.apache.org/job/PreCommit-HDFS-Build/14239/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.7.0_91.txt
|
| JDK v1.7.0_91  Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/14239/testReport/
|
| modules | C:  hadoop-hdfs-project/hadoop-hdfs-client   hadoop-hdfs-project/hadoop-hdfs 
U: hadoop-hdfs-project |
| Max memory used | 77MB |
| Powered by | Apache Yetus 0.2.0-SNAPSHOT   http://yetus.apache.org |
| Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/14239/console |


This message was automatically generated.



> Namenode need not wait for {{blockReceived}} for the last block before completing a file.
> -----------------------------------------------------------------------------------------
>
>                 Key: HDFS-8999
>                 URL: https://issues.apache.org/jira/browse/HDFS-8999
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: namenode
>            Reporter: Jitendra Nath Pandey
>            Assignee: Tsz Wo Nicholas Sze
>         Attachments: h8999_20151228.patch, h8999_20160106.patch, h8999_20160106b.patch,
h8999_20160106c.patch, h8999_20160111.patch, h8999_20160113.patch, h8999_20160114.patch, h8999_20160121.patch,
h8999_20160121b.patch, h8999_20160121c.patch, h8999_20160121c_branch-2.patch
>
>
> This comes out of a discussion in HDFS-8763. Pasting [~jingzhao]'s comment from the jira:
> {quote}
> ...whether we need to let NameNode wait for all the block_received msgs to announce the
replica is safe. Looking into the code, now we have
>    # NameNode knows the DataNodes involved when initially setting up the writing pipeline
>    # If any DataNode fails during the writing, client bumps the GS and finally reports
all the DataNodes included in the new pipeline to NameNode through the updatePipeline RPC.
>    # When the client received the ack for the last packet of the block (and before the
client tries to close the file on NameNode), the replica has been finalized in all the DataNodes.
> Then in this case, when NameNode receives the close request from the client, the NameNode
already knows the latest replicas for the block. Currently the checkReplication call only
counts in all the replicas that NN has already received the block_received msg, but based
on the above #2 and #3, it may be safe to also count in all the replicas in the BlockUnderConstructionFeature#replicas?
> {quote}



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