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https://issues.apache.org/jira/browse/HDFS-15393?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17128701#comment-17128701
 ] 

Hadoop QA commented on HDFS-15393:
----------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  1m 
11s{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: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:green}+1{color} | {color:green} mvninstall {color} | {color:green} 21m 
31s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m  
6s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
48s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m 
15s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 
17m 37s{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}  0m 
41s{color} | {color:green} trunk passed {color} |
| {color:blue}0{color} | {color:blue} spotbugs {color} | {color:blue}  3m  
2s{color} | {color:blue} Used deprecated FindBugs config; considering switching 
to SpotBugs. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  3m  
0s{color} | {color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m 
 7s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m  
3s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  1m  
3s{color} | {color:green} the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  
0m 43s{color} | {color:orange} hadoop-hdfs-project/hadoop-hdfs: The patch 
generated 23 new + 126 unchanged - 3 fixed = 149 total (was 129) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m  
9s{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} 
15m 26s{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}  0m 
39s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  3m  
6s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red}115m 34s{color} 
| {color:red} hadoop-hdfs in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
36s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}187m 45s{color} | 
{color:black} {color} |
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|| Reason || Tests ||
| Failed junit tests | hadoop.hdfs.server.namenode.TestDiskspaceQuotaUpdate |
|   | hadoop.hdfs.server.sps.TestExternalStoragePolicySatisfier |
|   | hadoop.hdfs.TestGetFileChecksum |
|   | hadoop.hdfs.server.datanode.TestBPOfferService |
|   | hadoop.hdfs.TestStripedFileAppend |
|   | hadoop.hdfs.server.blockmanagement.TestBlockTokenWithDFSStriped |
|   | hadoop.hdfs.server.namenode.ha.TestFailureToReadEdits |
|   | hadoop.hdfs.server.namenode.TestNameNodeRetryCacheMetrics |
|   | hadoop.hdfs.TestReconstructStripedFile |
|   | hadoop.hdfs.TestReconstructStripedFileWithRandomECPolicy |
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|| Subsystem || Report/Notes ||
| Docker | ClientAPI=1.40 ServerAPI=1.40 base: 
https://builds.apache.org/job/hadoop-multibranch/job/PR-2055/2/artifact/out/Dockerfile
 |
| GITHUB PR | https://github.com/apache/hadoop/pull/2055 |
| JIRA Issue | HDFS-15393 |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall mvnsite 
unit shadedclient findbugs checkstyle |
| uname | Linux a54ce8b9c072 4.15.0-91-generic #92-Ubuntu SMP Fri Feb 28 
11:09:48 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | personality/hadoop.sh |
| git revision | trunk / 0c25131ca43 |
| Default Java | Private Build-1.8.0_252-8u252-b09-1~18.04-b09 |
| checkstyle | 
https://builds.apache.org/job/hadoop-multibranch/job/PR-2055/2/artifact/out/diff-checkstyle-hadoop-hdfs-project_hadoop-hdfs.txt
 |
| unit | 
https://builds.apache.org/job/hadoop-multibranch/job/PR-2055/2/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
 |
|  Test Results | 
https://builds.apache.org/job/hadoop-multibranch/job/PR-2055/2/testReport/ |
| Max. process+thread count | 2970 (vs. ulimit of 5500) |
| modules | C: hadoop-hdfs-project/hadoop-hdfs U: 
hadoop-hdfs-project/hadoop-hdfs |
| Console output | 
https://builds.apache.org/job/hadoop-multibranch/job/PR-2055/2/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.



> Review of PendingReconstructionBlocks
> -------------------------------------
>
>                 Key: HDFS-15393
>                 URL: https://issues.apache.org/jira/browse/HDFS-15393
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: David Mollitor
>            Assignee: David Mollitor
>            Priority: Minor
>
> I started looking at this class based on [HDFS-15351].
> * Uses {{java.sql.Time}} unnecessarily.  Confusing since Java ships with time 
> formatters out of the box in JDK 8.  I believe this will cause issues later 
> when trying to upgrade to JDK 9+ since SQL is a different module in Java.
> * Remove code where appropriate
> * Use Java Concurrent library for higher concurrent access to underlying map



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