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https://issues.apache.org/jira/browse/HDFS-12884?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16403264#comment-16403264
 ] 

genericqa commented on HDFS-12884:
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| (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 
33s{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:red}-1{color} | {color:red} test4tests {color} | {color:red}  0m  
0s{color} | {color:red} The patch doesn't appear to include any new or modified 
tests. Please justify why no new tests are needed for this patch. Also please 
list what manual steps were performed to verify this patch. {color} |
|| || || || {color:brown} trunk Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 18m 
 5s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m  
1s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
55s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m  
5s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 
12m  2s{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}  2m  
3s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
55s{color} | {color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m 
 5s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
57s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 
57s{color} | {color:green} the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  
0m 51s{color} | {color:orange} hadoop-hdfs-project/hadoop-hdfs: The patch 
generated 2 new + 227 unchanged - 0 fixed = 229 total (was 227) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m  
3s{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 14s{color} | {color:green} patch has no errors when building and testing 
our client artifacts. {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  2m  
9s{color} | {color:red} hadoop-hdfs-project/hadoop-hdfs generated 1 new + 0 
unchanged - 0 fixed = 1 total (was 0) {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
57s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red}105m 31s{color} 
| {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
23s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}160m 21s{color} | 
{color:black} {color} |
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|| Reason || Tests ||
| FindBugs | module:hadoop-hdfs-project/hadoop-hdfs |
|  |  instanceof will always return true for all non-null values in 
org.apache.hadoop.hdfs.server.namenode.INode$BlocksMapUpdateInfo.addDeleteBlock(BlockInfo),
 since all org.apache.hadoop.hdfs.server.blockmanagement.BlockInfo are 
instances of org.apache.hadoop.hdfs.server.blockmanagement.BlockInfo  At 
INode.java:for all non-null values in 
org.apache.hadoop.hdfs.server.namenode.INode$BlocksMapUpdateInfo.addDeleteBlock(BlockInfo),
 since all org.apache.hadoop.hdfs.server.blockmanagement.BlockInfo are 
instances of org.apache.hadoop.hdfs.server.blockmanagement.BlockInfo  At 
INode.java:[line 1061] |
| Failed junit tests | hadoop.hdfs.TestAppendSnapshotTruncate |
|   | hadoop.cli.TestHDFSCLI |
|   | hadoop.hdfs.server.namenode.TestNameNodeMetadataConsistency |
|   | hadoop.hdfs.TestReadStripedFileWithMissingBlocks |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailureWithRandomECPolicy |
|   | hadoop.hdfs.server.blockmanagement.TestBlockTokenWithDFSStriped |
|   | hadoop.hdfs.server.datanode.TestDataNodeVolumeFailure |
|   | hadoop.hdfs.server.namenode.ha.TestHAAppend |
|   | hadoop.hdfs.server.namenode.TestFileTruncate |
|   | hadoop.hdfs.server.datanode.TestDataNodeVolumeFailureReporting |
|   | hadoop.fs.viewfs.TestViewFileSystemWithTruncate |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:d4cc50f |
| JIRA Issue | HDFS-12884 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12914980/HDFS-12884.001.patch |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  shadedclient  findbugs  checkstyle  |
| uname | Linux 13a9e2e0c6fe 3.13.0-135-generic #184-Ubuntu SMP Wed Oct 18 
11:55:51 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / 49c747a |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_151 |
| findbugs | v3.1.0-RC1 |
| checkstyle | 
https://builds.apache.org/job/PreCommit-HDFS-Build/23529/artifact/out/diff-checkstyle-hadoop-hdfs-project_hadoop-hdfs.txt
 |
| findbugs | 
https://builds.apache.org/job/PreCommit-HDFS-Build/23529/artifact/out/new-findbugs-hadoop-hdfs-project_hadoop-hdfs.html
 |
| unit | 
https://builds.apache.org/job/PreCommit-HDFS-Build/23529/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HDFS-Build/23529/testReport/ |
| Max. process+thread count | 2862 (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/23529/console |
| Powered by | Apache Yetus 0.8.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> BlockUnderConstructionFeature.truncateBlock should be of type BlockInfo
> -----------------------------------------------------------------------
>
>                 Key: HDFS-12884
>                 URL: https://issues.apache.org/jira/browse/HDFS-12884
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: namenode
>    Affects Versions: 2.7.4
>            Reporter: Konstantin Shvachko
>            Priority: Major
>         Attachments: HDFS-12884.001.patch
>
>
> {{BlockUnderConstructionFeature.truncateBlock}} type should be changed to 
> {{BlockInfo}} from {{Block}}. {{truncateBlock}} is always assigned as 
> {{BlockInfo}}, so this will avoid unnecessary casts.



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