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https://issues.apache.org/jira/browse/HBASE-15650?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15241657#comment-15241657
 ] 

Hadoop QA commented on HBASE-15650:
-----------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {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 3 new or modified test 
files. {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 9s 
{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 2m 
54s {color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 3s 
{color} | {color:green} master passed with JDK v1.8.0 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 48s 
{color} | {color:green} master passed with JDK v1.7.0_79 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 2m 
18s {color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
25s {color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 2m 
32s {color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 50s 
{color} | {color:green} master passed with JDK v1.8.0 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 48s 
{color} | {color:green} master passed with JDK v1.7.0_79 {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 10s 
{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 
59s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 7s 
{color} | {color:green} the patch passed with JDK v1.8.0 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m 7s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 47s 
{color} | {color:green} the patch passed with JDK v1.7.0_79 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 47s 
{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 1m 15s 
{color} | {color:red} hbase-common: patch generated 2 new + 8 unchanged - 1 
fixed = 10 total (was 9) {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 1m 0s 
{color} | {color:red} hbase-server: patch generated 2 new + 8 unchanged - 1 
fixed = 10 total (was 9) {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
24s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m 
0s {color} | {color:green} Patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} hadoopcheck {color} | {color:green} 
26m 11s {color} | {color:green} Patch does not cause any errors with Hadoop 
2.4.0 2.4.1 2.5.0 2.5.1 2.5.2 2.6.1 2.6.2 2.6.3 2.7.1. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 3m 
46s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 11s 
{color} | {color:green} the patch passed with JDK v1.8.0 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 50s 
{color} | {color:green} the patch passed with JDK v1.7.0_79 {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 1m 46s 
{color} | {color:green} hbase-common in the patch passed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 26m 5s {color} 
| {color:red} hbase-server in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 
20s {color} | {color:green} Patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 78m 32s {color} 
| {color:black} {color} |
\\
\\
|| Reason || Tests ||
| Failed junit tests | hadoop.hbase.procedure.TestProcedureManager |
|   | hadoop.hbase.io.hfile.TestScannerSelectionUsingKeyRange |
|   | hadoop.hbase.io.encoding.TestSeekBeforeWithReverseScan |
|   | hadoop.hbase.regionserver.TestDefaultCompactSelection |
|   | hadoop.hbase.filter.TestFilterFromRegionSide |
|   | hadoop.hbase.coprocessor.TestRegionObserverStacking |
|   | hadoop.hbase.filter.TestFilter |
|   | hadoop.hbase.regionserver.TestDateTieredCompactionPolicy |
|   | hadoop.hbase.filter.TestMultipleColumnPrefixFilter |
|   | hadoop.hbase.regionserver.TestScanWithBloomError |
|   | hadoop.hbase.regionserver.TestMinVersions |
|   | hadoop.hbase.io.encoding.TestPrefixTree |
|   | hadoop.hbase.regionserver.TestStoreFile |
|   | hadoop.hbase.regionserver.TestScanner |
|   | hadoop.hbase.regionserver.TestMemStoreChunkPool |
|   | hadoop.hbase.client.TestIntraRowPagination |
|   | hadoop.hbase.regionserver.TestSplitTransaction |
|   | hadoop.hbase.regionserver.TestRegionMergeTransaction |
|   | hadoop.hbase.regionserver.TestResettingCounters |
|   | hadoop.hbase.regionserver.TestHRegionInfo |
|   | hadoop.hbase.regionserver.TestStoreFileRefresherChore |
|   | hadoop.hbase.master.TestCatalogJanitor |
|   | hadoop.hbase.regionserver.TestWideScanner |
|   | hadoop.hbase.coprocessor.TestCoprocessorInterface |
|   | hadoop.hbase.regionserver.TestKeepDeletes |
|   | hadoop.hbase.regionserver.TestBlocksScanned |
|   | hadoop.hbase.mob.TestMobFileCache |
|   | hadoop.hbase.regionserver.TestBulkLoad |
|   | hadoop.hbase.filter.TestInvocationRecordFilter |
|   | hadoop.hbase.filter.TestDependentColumnFilter |
|   | hadoop.hbase.mob.mapreduce.TestMobSweepMapper |
|   | hadoop.hbase.filter.TestColumnPrefixFilter |
|   | hadoop.hbase.master.balancer.TestRegionLocationFinder |
\\
\\
|| Subsystem || Report/Notes ||
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12798767/15650v2.patch |
| JIRA Issue | HBASE-15650 |
| Optional Tests |  asflicense  javac  javadoc  unit  findbugs  hadoopcheck  
hbaseanti  checkstyle  compile  |
| uname | Linux pietas.apache.org 3.13.0-36-lowlatency #63-Ubuntu SMP PREEMPT 
Wed Sep 3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | 
/home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/component/dev-support/hbase-personality.sh
 |
| git revision | master / 7efb9ed |
| Default Java | 1.7.0_79 |
| Multi-JDK versions |  /home/jenkins/tools/java/jdk1.8.0:1.8.0 
/usr/local/jenkins/java/jdk1.7.0_79:1.7.0_79 |
| findbugs | v3.0.0 |
| checkstyle | 
https://builds.apache.org/job/PreCommit-HBASE-Build/1417/artifact/patchprocess/diff-checkstyle-hbase-common.txt
 |
| checkstyle | 
https://builds.apache.org/job/PreCommit-HBASE-Build/1417/artifact/patchprocess/diff-checkstyle-hbase-server.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-HBASE-Build/1417/artifact/patchprocess/patch-unit-hbase-server.txt
 |
| unit test logs |  
https://builds.apache.org/job/PreCommit-HBASE-Build/1417/artifact/patchprocess/patch-unit-hbase-server.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HBASE-Build/1417/testReport/ |
| modules | C: hbase-common hbase-server U: . |
| Console output | 
https://builds.apache.org/job/PreCommit-HBASE-Build/1417/console |
| Powered by | Apache Yetus 0.2.1   http://yetus.apache.org |


This message was automatically generated.



> Remove TimeRangeTracker as point of contention when many threads reading a 
> StoreFile
> ------------------------------------------------------------------------------------
>
>                 Key: HBASE-15650
>                 URL: https://issues.apache.org/jira/browse/HBASE-15650
>             Project: HBase
>          Issue Type: Bug
>          Components: Performance
>    Affects Versions: 2.0.0
>            Reporter: stack
>            Assignee: stack
>             Fix For: 2.0.0
>
>         Attachments: 15650.branch-1.patch, 15650.patch, 15650.patch, 
> 15650v2.patch, Point-of-contention-on-random-read.png
>
>
> HBASE-12148 is about "Remove TimeRangeTracker as point of contention when 
> many threads writing a Store". It is also a point of contention when reading.



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