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https://issues.apache.org/jira/browse/HDFS-15384?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17124993#comment-17124993
 ] 

Hadoop QA commented on HDFS-15384:
----------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 21m 
27s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {color} ||
| {color:green}+1{color} | {color:green} dupname {color} | {color:green}  0m  
0s{color} | {color:green} No case conflicting files found. {color} |
| {color:green}+1{color} | {color:green} @author {color} | {color:green}  0m  
1s{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:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  3m 
19s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 25m 
40s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  3m 
30s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
58s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  2m 
10s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 
16m 55s{color} | {color:green} branch has no errors when building and testing 
our client artifacts. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
23s{color} | {color:green} trunk passed {color} |
| {color:blue}0{color} | {color:blue} spotbugs {color} | {color:blue}  2m 
18s{color} | {color:blue} Used deprecated FindBugs config; considering 
switching to SpotBugs. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  5m  
4s{color} | {color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
27s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m 
57s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  3m 
25s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  3m 
25s{color} | {color:green} the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  
0m 50s{color} | {color:orange} hadoop-hdfs-project: The patch generated 1 new + 
46 unchanged - 0 fixed = 47 total (was 46) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m 
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} 
13m 40s{color} | {color:green} patch has no errors when building and testing 
our client artifacts. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
15s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  5m 
12s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  2m  
2s{color} | {color:green} hadoop-hdfs-client in the patch passed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 92m 33s{color} 
| {color:red} hadoop-hdfs in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
44s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}203m 52s{color} | 
{color:black} {color} |
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|| Reason || Tests ||
| Failed junit tests | 
hadoop.hdfs.server.namenode.TestNameNodeRetryCacheMetrics |
|   | hadoop.hdfs.TestReconstructStripedFile |
|   | hadoop.hdfs.TestReconstructStripedFileWithRandomECPolicy |
|   | hadoop.hdfs.tools.TestDFSAdminWithHA |
|   | hadoop.hdfs.server.namenode.ha.TestHAAppend |
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|| Subsystem || Report/Notes ||
| Docker | ClientAPI=1.40 ServerAPI=1.40 base: 
https://builds.apache.org/job/PreCommit-HDFS-Build/29401/artifact/out/Dockerfile
 |
| JIRA Issue | HDFS-15384 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/13004705/HDFS-15384.001.patch |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall mvnsite 
unit shadedclient findbugs checkstyle |
| uname | Linux a98ecadbfaf4 4.15.0-60-generic #67-Ubuntu SMP Thu Aug 22 
16:55:30 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | personality/hadoop.sh |
| git revision | trunk / 97c98ce531c |
| Default Java | Private Build-1.8.0_252-8u252-b09-1~18.04-b09 |
| checkstyle | 
https://builds.apache.org/job/PreCommit-HDFS-Build/29401/artifact/out/diff-checkstyle-hadoop-hdfs-project.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-HDFS-Build/29401/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HDFS-Build/29401/testReport/ |
| Max. process+thread count | 4071 (vs. ulimit of 5500) |
| modules | C: hadoop-hdfs-project/hadoop-hdfs-client 
hadoop-hdfs-project/hadoop-hdfs U: hadoop-hdfs-project |
| Console output | 
https://builds.apache.org/job/PreCommit-HDFS-Build/29401/console |
| versions | git=2.17.1 maven=3.6.0 findbugs=3.1.0-RC1 |
| Powered by | Apache Yetus 0.12.0 https://yetus.apache.org |


This message was automatically generated.



> Method getLocatedBlocks(String src, long start) of DFSClient only return 
> partial blocks
> ---------------------------------------------------------------------------------------
>
>                 Key: HDFS-15384
>                 URL: https://issues.apache.org/jira/browse/HDFS-15384
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Yang Yun
>            Assignee: Yang Yun
>            Priority: Minor
>         Attachments: HDFS-15384.001.patch
>
>
>  
>   
> Intuitively, the method getLocatedBlocks(String src, long start) of DFSClient 
> will return all blocks after offset ‘start’. But actually it uses 
> dfsClientConf.getPrefetchSize() as the length and only return part of blocks. 
> I feel it's error-prone and open this Jira for discussion.
>  



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