[ 
https://issues.apache.org/jira/browse/HDFS-9600?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15073609#comment-15073609
 ] 

Hadoop QA commented on HDFS-9600:
---------------------------------

| (x) *{color:red}-1 overall{color}* |
\\
\\
|| 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 1 new or modified test 
files. {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 7m 
24s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 39s 
{color} | {color:green} trunk passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 40s 
{color} | {color:green} trunk passed with JDK v1.7.0_91 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 
18s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 51s 
{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
14s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m 
53s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 7s 
{color} | {color:green} trunk passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 49s 
{color} | {color:green} trunk passed with JDK v1.7.0_91 {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 
45s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 39s 
{color} | {color:green} the patch passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 39s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 38s 
{color} | {color:green} the patch passed with JDK v1.7.0_91 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 38s 
{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 0m 17s 
{color} | {color:red} Patch generated 2 new checkstyle issues in 
hadoop-hdfs-project/hadoop-hdfs (total was 164, now 166). {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 49s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
11s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m 
0s {color} | {color:green} Patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 2m 1s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 4s 
{color} | {color:green} the patch passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 47s 
{color} | {color:green} the patch passed with JDK v1.7.0_91 {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 54m 11s {color} 
| {color:red} hadoop-hdfs in the patch failed with JDK v1.8.0_66. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 54m 22s {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 
24s {color} | {color:green} Patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 134m 42s {color} 
| {color:black} {color} |
\\
\\
|| Reason || Tests ||
| JDK v1.8.0_66 Failed junit tests | 
hadoop.hdfs.server.namenode.ha.TestSeveralNameNodes |
|   | hadoop.hdfs.server.namenode.ha.TestStandbyCheckpoints |
|   | hadoop.hdfs.server.datanode.TestBlockScanner |
| JDK v1.7.0_91 Failed junit tests | hadoop.hdfs.TestWriteReadStripedFile |
|   | hadoop.hdfs.server.namenode.TestNameNodeMXBean |
|   | hadoop.hdfs.TestHDFSFileSystemContract |
\\
\\
|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:0ca8df7 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12779756/HDFS-9600-v3.patch |
| JIRA Issue | HDFS-9600 |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  findbugs  checkstyle  |
| uname | Linux 625db7d39dcd 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 / d0a22ba |
| 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/14004/artifact/patchprocess/diff-checkstyle-hadoop-hdfs-project_hadoop-hdfs.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-HDFS-Build/14004/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_66.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-HDFS-Build/14004/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/14004/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_66.txt
 
https://builds.apache.org/job/PreCommit-HDFS-Build/14004/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/14004/testReport/ |
| modules | C: hadoop-hdfs-project/hadoop-hdfs U: 
hadoop-hdfs-project/hadoop-hdfs |
| Max memory used | 76MB |
| Powered by | Apache Yetus 0.2.0-SNAPSHOT   http://yetus.apache.org |
| Console output | 
https://builds.apache.org/job/PreCommit-HDFS-Build/14004/console |


This message was automatically generated.



> do not check replication if the block is under construction
> -----------------------------------------------------------
>
>                 Key: HDFS-9600
>                 URL: https://issues.apache.org/jira/browse/HDFS-9600
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Phil Yang
>            Assignee: Phil Yang
>            Priority: Critical
>         Attachments: HDFS-9600-v1.patch, HDFS-9600-v2.patch, 
> HDFS-9600-v3.patch
>
>
> When appending a file, we will update pipeline to bump a new GS and the old 
> GS will be considered as out of date. When changing GS, in 
> BlockInfo.setGenerationStampAndVerifyReplicas we will remove replicas having 
> old GS which means we will remove all replicas because no DN has new GS until 
> the block with new GS is added to blockMaps again by 
> DatanodeProtocol.blockReceivedAndDeleted.
> If we check replication of this block before it is added back, it will be 
> regarded as missing. The probability is low but if there are decommissioning 
> nodes the DecommissionManager.Monitor will scan all blocks belongs to 
> decommissioning nodes with a very fast speed so the probability of finding 
> missing block is very high but actually they are not missing. 
> Furthermore, after closing the appended file, in 
> FSNamesystem.finalizeINodeFileUnderConstruction, it will checkReplication. If 
> some of nodes are decommissioning, this block with new GS will be added to 
> UnderReplicatedBlocks map so there are two blocks with same ID in this map, 
> one is in QUEUE_WITH_CORRUPT_BLOCKS and the other is in 
> QUEUE_HIGHEST_PRIORITY or QUEUE_UNDER_REPLICATED. And there will be many 
> missing blocks warning in NameNode website but there is no corrupt files...
> Therefore, I think the solution is we should not check replication if the 
> block is under construction. We only check complete blocks.



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

Reply via email to