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https://issues.apache.org/jira/browse/HDFS-14839?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17169086#comment-17169086
 ] 

Hadoop QA commented on HDFS-14839:
----------------------------------

| (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 
30s{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  
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} 21m 
50s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 
33s{color} | {color:green} trunk passed with JDK 
Ubuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 
21s{color} | {color:green} trunk passed with JDK Private 
Build-1.8.0_252-8u252-b09-1~18.04-b09 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
54s{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} shadedclient {color} | {color:green} 
19m 42s{color} | {color:green} branch has no errors when building and testing 
our client artifacts. {color} |
| {color:red}-1{color} | {color:red} javadoc {color} | {color:red}  0m 
39s{color} | {color:red} hadoop-hdfs in trunk failed with JDK 
Ubuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
45s{color} | {color:green} trunk passed with JDK Private 
Build-1.8.0_252-8u252-b09-1~18.04-b09 {color} |
| {color:blue}0{color} | {color:blue} spotbugs {color} | {color:blue}  3m 
26s{color} | {color:blue} Used deprecated FindBugs config; considering 
switching to SpotBugs. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  3m 
23s{color} | {color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m 
18s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 
27s{color} | {color:green} the patch passed with JDK 
Ubuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  1m 
27s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 
20s{color} | {color:green} the patch passed with JDK Private 
Build-1.8.0_252-8u252-b09-1~18.04-b09 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  1m 
20s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
49s{color} | {color:green} hadoop-hdfs-project/hadoop-hdfs: The patch generated 
0 new + 24 unchanged - 6 fixed = 24 total (was 30) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m 
18s{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} 
17m  0s{color} | {color:green} patch has no errors when building and testing 
our client artifacts. {color} |
| {color:red}-1{color} | {color:red} javadoc {color} | {color:red}  0m 
35s{color} | {color:red} hadoop-hdfs in the patch failed with JDK 
Ubuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
42s{color} | {color:green} the patch passed with JDK Private 
Build-1.8.0_252-8u252-b09-1~18.04-b09 {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  3m 
46s{color} | {color:red} hadoop-hdfs-project/hadoop-hdfs generated 3 new + 0 
unchanged - 0 fixed = 3 total (was 0) {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 99m 18s{color} 
| {color:red} hadoop-hdfs in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
40s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}181m 59s{color} | 
{color:black} {color} |
\\
\\
|| Reason || Tests ||
| FindBugs | module:hadoop-hdfs-project/hadoop-hdfs |
|  |  Exceptional return value of 
java.util.concurrent.BlockingQueue.offer(Object) ignored in 
org.apache.hadoop.hdfs.server.blockmanagement.DatanodeDescriptor.addBlockToBeErasureCoded(ExtendedBlock,
 DatanodeDescriptor[], DatanodeStorageInfo[], byte[], ErasureCodingPolicy)  At 
DatanodeDescriptor.java:ignored in 
org.apache.hadoop.hdfs.server.blockmanagement.DatanodeDescriptor.addBlockToBeErasureCoded(ExtendedBlock,
 DatanodeDescriptor[], DatanodeStorageInfo[], byte[], ErasureCodingPolicy)  At 
DatanodeDescriptor.java:[line 630] |
|  |  Exceptional return value of 
java.util.concurrent.BlockingQueue.offer(Object) ignored in 
org.apache.hadoop.hdfs.server.blockmanagement.DatanodeDescriptor.addBlockToBeRecovered(BlockInfo)
  At DatanodeDescriptor.java:ignored in 
org.apache.hadoop.hdfs.server.blockmanagement.DatanodeDescriptor.addBlockToBeRecovered(BlockInfo)
  At DatanodeDescriptor.java:[line 644] |
|  |  Exceptional return value of 
java.util.concurrent.BlockingQueue.offer(Object) ignored in 
org.apache.hadoop.hdfs.server.blockmanagement.DatanodeDescriptor.addBlockToBeReplicated(Block,
 DatanodeStorageInfo[])  At DatanodeDescriptor.java:ignored in 
org.apache.hadoop.hdfs.server.blockmanagement.DatanodeDescriptor.addBlockToBeReplicated(Block,
 DatanodeStorageInfo[])  At DatanodeDescriptor.java:[line 618] |
| Failed junit tests | hadoop.hdfs.TestFileChecksum |
|   | hadoop.hdfs.server.namenode.TestNameNodeRetryCacheMetrics |
|   | hadoop.hdfs.TestDecommissionWithStriped |
|   | hadoop.hdfs.tools.TestDFSZKFailoverController |
|   | hadoop.hdfs.TestDecommissionWithStripedBackoffMonitor |
|   | hadoop.hdfs.server.balancer.TestBalancer |
|   | hadoop.hdfs.tools.TestECAdmin |
|   | hadoop.hdfs.TestReconstructStripedFile |
|   | hadoop.hdfs.server.blockmanagement.TestBlockManagerSafeMode |
|   | hadoop.hdfs.TestDecommissionWithBackoffMonitor |
|   | hadoop.hdfs.TestStripedFileAppend |
|   | hadoop.fs.contract.hdfs.TestHDFSContractMultipartUploader |
|   | hadoop.hdfs.TestReconstructStripedFileWithRandomECPolicy |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithRandomECPolicy |
|   | hadoop.hdfs.TestDecommission |
|   | hadoop.hdfs.TestWriteReadStripedFile |
|   | hadoop.hdfs.server.datanode.TestDataXceiverBackwardsCompat |
\\
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|| Subsystem || Report/Notes ||
| Docker | ClientAPI=1.40 ServerAPI=1.40 base: 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-1422/3/artifact/out/Dockerfile
 |
| GITHUB PR | https://github.com/apache/hadoop/pull/1422 |
| JIRA Issue | HDFS-14839 |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall mvnsite 
unit shadedclient findbugs checkstyle |
| uname | Linux adc1a60d64ab 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 / e756fe35909 |
| Default Java | Private Build-1.8.0_252-8u252-b09-1~18.04-b09 |
| Multi-JDK versions | 
/usr/lib/jvm/java-11-openjdk-amd64:Ubuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1 
/usr/lib/jvm/java-8-openjdk-amd64:Private Build-1.8.0_252-8u252-b09-1~18.04-b09 
|
| javadoc | 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-1422/3/artifact/out/branch-javadoc-hadoop-hdfs-project_hadoop-hdfs-jdkUbuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1.txt
 |
| javadoc | 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-1422/3/artifact/out/patch-javadoc-hadoop-hdfs-project_hadoop-hdfs-jdkUbuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1.txt
 |
| findbugs | 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-1422/3/artifact/out/new-findbugs-hadoop-hdfs-project_hadoop-hdfs.html
 |
| unit | 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-1422/3/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
 |
|  Test Results | 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-1422/3/testReport/ |
| Max. process+thread count | 4308 (vs. ulimit of 5500) |
| modules | C: hadoop-hdfs-project/hadoop-hdfs U: 
hadoop-hdfs-project/hadoop-hdfs |
| Console output | 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-1422/3/console |
| versions | git=2.17.1 maven=3.6.0 findbugs=4.0.6 |
| Powered by | Apache Yetus 0.12.0 https://yetus.apache.org |


This message was automatically generated.



> Use Java Concurrent BlockingQueue instead of Internal BlockQueue
> ----------------------------------------------------------------
>
>                 Key: HDFS-14839
>                 URL: https://issues.apache.org/jira/browse/HDFS-14839
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: hdfs
>    Affects Versions: 3.2.0
>            Reporter: David Mollitor
>            Assignee: David Mollitor
>            Priority: Minor
>         Attachments: HDFS-14839.1.patch
>
>
> Replace...
> https://github.com/apache/hadoop/blob/d8bac50e12d243ef8fd2c7e0ce5c9997131dee74/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DatanodeDescriptor.java#L86
> With...
> https://docs.oracle.com/javase/7/docs/api/java/util/concurrent/BlockingQueue.html



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