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https://issues.apache.org/jira/browse/HBASE-17777?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16024669#comment-16024669
 ] 

Hadoop QA commented on HBASE-17777:
-----------------------------------

| (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 29s 
{color} | {color:blue} Docker mode activated. {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 1 new or modified test 
files. {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 6m 
53s {color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 29s 
{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 1m 
33s {color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
30s {color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 4m 
35s {color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 0s 
{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m 
40s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 32s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m 32s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 1m 
34s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
29s {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} hadoopcheck {color} | {color:green} 
61m 43s {color} | {color:green} Patch does not cause any errors with Hadoop 
2.6.1 2.6.2 2.6.3 2.6.4 2.6.5 2.7.1 2.7.2 2.7.3 or 3.0.0-alpha2. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 4m 
16s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 53s 
{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 225m 4s {color} 
| {color:red} hbase-server in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 1m 
21s {color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 315m 49s {color} 
| {color:black} {color} |
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|| Reason || Tests ||
| Failed junit tests | hadoop.hbase.client.TestAsyncRegionAdminApi |
|   | hadoop.hbase.util.TestHBaseFsckTwoRS |
|   | hadoop.hbase.client.TestAsyncBalancerAdminApi |
|   | hadoop.hbase.client.TestMobSnapshotCloneIndependence |
|   | hadoop.hbase.client.TestAsyncTableAdminApi |
|   | hadoop.hbase.client.TestBlockEvictionFromClient |
|   | hadoop.hbase.regionserver.TestPerColumnFamilyFlush |
|   | hadoop.hbase.util.TestHBaseFsckReplicas |
|   | hadoop.hbase.client.TestAsyncSnapshotAdminApi |
| Timed out junit tests | org.apache.hadoop.hbase.backup.TestFullBackup |
|   | org.apache.hadoop.hbase.replication.regionserver.TestWALEntryStream |
|   | org.apache.hadoop.hbase.backup.TestIncrementalBackupWithFailures |
|   | org.apache.hadoop.hbase.snapshot.TestExportSnapshot |
|   | org.apache.hadoop.hbase.backup.TestRestoreBoundaryTests |
|   | org.apache.hadoop.hbase.filter.TestFuzzyRowFilterEndToEnd |
|   | org.apache.hadoop.hbase.backup.TestBackupShowHistory |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.03.0-ce Server=17.03.0-ce Image:yetus/hbase:757bf37 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12869814/HBASE-17777_1.patch |
| JIRA Issue | HBASE-17777 |
| Optional Tests |  asflicense  javac  javadoc  unit  findbugs  hadoopcheck  
hbaseanti  checkstyle  compile  |
| uname | Linux 8d991bb99c41 4.8.3-std-1 #1 SMP Fri Oct 21 11:15:43 UTC 2016 
x86_64 x86_64 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 / a3c5a74 |
| Default Java | 1.8.0_131 |
| findbugs | v3.0.0 |
| unit | 
https://builds.apache.org/job/PreCommit-HBASE-Build/6942/artifact/patchprocess/patch-unit-hbase-server.txt
 |
| unit test logs |  
https://builds.apache.org/job/PreCommit-HBASE-Build/6942/artifact/patchprocess/patch-unit-hbase-server.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HBASE-Build/6942/testReport/ |
| modules | C: hbase-server U: hbase-server |
| Console output | 
https://builds.apache.org/job/PreCommit-HBASE-Build/6942/console |
| Powered by | Apache Yetus 0.3.0   http://yetus.apache.org |


This message was automatically generated.



> TestMemstoreLAB#testLABThreading runs too long for a small test
> ---------------------------------------------------------------
>
>                 Key: HBASE-17777
>                 URL: https://issues.apache.org/jira/browse/HBASE-17777
>             Project: HBase
>          Issue Type: Improvement
>          Components: test
>    Affects Versions: 2.0.0
>            Reporter: ramkrishna.s.vasudevan
>            Assignee: ramkrishna.s.vasudevan
>            Priority: Minor
>         Attachments: HBASE-17777_1.patch
>
>
> While working on ChunkCreator/ChunkMap found that the test in 
> TestMSLAB#testLABThreading() runs for almost 5 mins and the whole test is 
> under smallTest category.
> The reason is that we are creating 35*2MB chunks from MSLAB. We try writing 
> data to these chunks until they are 50MB in size.
> And while verifying in order to check if the chunks are not 
> overwritten/overlapped we verify the content of the buffers.
> So we actually keep comparing 50MB buffer n  number of times. I suggest we 
> change this in a way that at max we create chunks whose size is totally at 
> 1MB or may be even lesser and write cells which are smaller in size. By doing 
> this we can drastically reduce the run time of this test. May be something 
> less than 1 min.



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