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https://issues.apache.org/jira/browse/HBASE-20095?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16389383#comment-16389383
 ] 

Hadoop QA commented on HBASE-20095:
-----------------------------------

| (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 
18s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {color} ||
| {color:green}+1{color} | {color:green} hbaseanti {color} | {color:green}  0m  
0s{color} | {color:green} Patch does not have any anti-patterns. {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 5 new or modified test 
files. {color} |
|| || || || {color:brown} master Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  4m 
27s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
45s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  1m 
10s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} shadedjars {color} | {color:green}  5m 
56s{color} | {color:green} branch has no errors when building our shaded 
downstream artifacts. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  1m 
54s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
30s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  5m 
15s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
50s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 
50s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  1m 
14s{color} | {color:green} hbase-server: The patch generated 0 new + 179 
unchanged - 9 fixed = 179 total (was 188) {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} shadedjars {color} | {color:green}  5m 
29s{color} | {color:green} patch has no errors when building our shaded 
downstream artifacts. {color} |
| {color:green}+1{color} | {color:green} hadoopcheck {color} | {color:green} 
22m  7s{color} | {color:green} Patch does not cause any errors with Hadoop 
2.6.5 2.7.4 or 3.0.0. {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  2m 
21s{color} | {color:red} hbase-server generated 6 new + 0 unchanged - 0 fixed = 
6 total (was 0) {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
38s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 25m 46s{color} 
| {color:red} hbase-server in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
13s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 72m 35s{color} | 
{color:black} {color} |
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|| Reason || Tests ||
| FindBugs | module:hbase-server |
|  |  Read of unwritten field reconfigNotification in 
org.apache.hadoop.hbase.master.cleaner.CleanerChore.chore()  At 
CleanerChore.java:in 
org.apache.hadoop.hbase.master.cleaner.CleanerChore.chore()  At 
CleanerChore.java:[line 274] |
|  |  Inconsistent synchronization of 
org.apache.hadoop.hbase.master.cleaner.CleanerChore$DirScanPool.pool; locked 
60% of time  Unsynchronized access at CleanerChore.java:60% of time  
Unsynchronized access at CleanerChore.java:[line 102] |
|  |  Read of unwritten field reconfigNotification in new 
org.apache.hadoop.hbase.master.cleaner.CleanerChore$DirScanPool(Configuration)  
At CleanerChore.java:in new 
org.apache.hadoop.hbase.master.cleaner.CleanerChore$DirScanPool(Configuration)  
At CleanerChore.java:[line 86] |
|  |  Read of unwritten field reconfigNotification in 
org.apache.hadoop.hbase.master.cleaner.CleanerChore$DirScanPool.canUpdateImmediately(Configuration)
  At CleanerChore.java:in 
org.apache.hadoop.hbase.master.cleaner.CleanerChore$DirScanPool.canUpdateImmediately(Configuration)
  At CleanerChore.java:[line 107] |
|  |  Uninitialized read of reconfigNotification in new 
org.apache.hadoop.hbase.master.cleaner.CleanerChore$DirScanPool(Configuration)  
At CleanerChore.java:new 
org.apache.hadoop.hbase.master.cleaner.CleanerChore$DirScanPool(Configuration)  
At CleanerChore.java:[line 86] |
|  |  Unwritten field:CleanerChore.java:[line 86] |
| Failed junit tests | hadoop.hbase.TestClientClusterMetrics |
|   | hadoop.hbase.master.cleaner.TestCleanerChore |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hbase:eee3b01 |
| JIRA Issue | HBASE-20095 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12913356/HBASE-20095.master.007.patch
 |
| Optional Tests |  asflicense  javac  javadoc  unit  findbugs  shadedjars  
hadoopcheck  hbaseanti  checkstyle  compile  |
| uname | Linux c106ce9a3ccc 3.13.0-139-generic #188-Ubuntu SMP Tue Jan 9 
14:43:09 UTC 2018 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | 
/home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build@2/component/dev-support/hbase-personality.sh
 |
| git revision | master / 6b77786dfc |
| maven | version: Apache Maven 3.5.2 
(138edd61fd100ec658bfa2d307c43b76940a5d7d; 2017-10-18T07:58:13Z) |
| Default Java | 1.8.0_151 |
| findbugs | v3.1.0-RC3 |
| findbugs | 
https://builds.apache.org/job/PreCommit-HBASE-Build/11843/artifact/patchprocess/new-findbugs-hbase-server.html
 |
| unit | 
https://builds.apache.org/job/PreCommit-HBASE-Build/11843/artifact/patchprocess/patch-unit-hbase-server.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HBASE-Build/11843/testReport/ |
| Max. process+thread count | 423 (vs. ulimit of 10000) |
| modules | C: hbase-server U: hbase-server |
| Console output | 
https://builds.apache.org/job/PreCommit-HBASE-Build/11843/console |
| Powered by | Apache Yetus 0.7.0   http://yetus.apache.org |


This message was automatically generated.



> Redesign single instance pool in CleanerChore
> ---------------------------------------------
>
>                 Key: HBASE-20095
>                 URL: https://issues.apache.org/jira/browse/HBASE-20095
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Reid Chan
>            Assignee: Reid Chan
>            Priority: Critical
>         Attachments: HBASE-20095.master.001.patch, 
> HBASE-20095.master.002.patch, HBASE-20095.master.003.patch, 
> HBASE-20095.master.004.patch, HBASE-20095.master.005.patch, 
> HBASE-20095.master.006.patch, HBASE-20095.master.007.patch
>
>




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