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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-16205) When Cells are not copied to MSLAB, deep clone it while adding to Memstore
Date Mon, 25 Jul 2016 10:33:21 GMT

    [ https://issues.apache.org/jira/browse/HBASE-16205?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15391677#comment-15391677
] 

Hadoop QA commented on HBASE-16205:
-----------------------------------

| (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: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:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 22s {color} | {color:blue}
Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 3m 30s {color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 4s {color} | {color:green}
master passed with JDK v1.8.0 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 54s {color} |
{color:green} master passed with JDK v1.7.0_80 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 55s {color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 33s {color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 2m 47s {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 50s {color} |
{color:green} master passed with JDK v1.7.0_80 {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} 1m 6s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 5s {color} | {color:green}
the patch passed with JDK v1.8.0 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m 5s {color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 54s {color} |
{color:green} the patch passed with JDK v1.7.0_80 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 54s {color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 45s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 32s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m 1s {color}
| {color:green} Patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} hadoopcheck {color} | {color:green} 31m 36s {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 29s {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 with JDK v1.8.0 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 51s {color} |
{color:green} the patch passed with JDK v1.7.0_80 {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 1m 48s {color} | {color:green}
hbase-common in the patch passed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 118m 4s {color} | {color:red}
hbase-server in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 33s {color}
| {color:green} Patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 174m 16s {color} | {color:black}
{color} |
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|| Reason || Tests ||
| Failed junit tests | hadoop.hbase.snapshot.TestMobSecureExportSnapshot |
|   | hadoop.hbase.snapshot.TestMobRestoreFlushSnapshotFromClient |
|   | hadoop.hbase.replication.TestReplicationKillMasterRS |
|   | hadoop.hbase.coprocessor.TestDoubleColumnInterpreter |
|   | hadoop.hbase.coprocessor.TestCoprocessorTableEndpoint |
|   | hadoop.hbase.coprocessor.TestRegionServerCoprocessorExceptionWithAbort |
|   | hadoop.hbase.coprocessor.TestRegionObserverForAddingMutationsFromCoprocessors |
|   | hadoop.hbase.snapshot.TestExportSnapshot |
|   | hadoop.hbase.replication.TestReplicationSyncUpTool |
|   | hadoop.hbase.snapshot.TestMobFlushSnapshotFromClient |
|   | hadoop.hbase.TestIOFencing |
|   | hadoop.hbase.coprocessor.TestMasterCoprocessorExceptionWithAbort |
|   | hadoop.hbase.replication.TestMasterReplication |
|   | hadoop.hbase.coprocessor.TestRegionObserverBypass |
| Timed out junit tests | org.apache.hadoop.hbase.snapshot.TestSecureExportSnapshot |
|   | org.apache.hadoop.hbase.snapshot.TestMobExportSnapshot |
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|| Subsystem || Report/Notes ||
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12819864/HBASE-16205_V3.patch
|
| JIRA Issue | HBASE-16205 |
| Optional Tests |  asflicense  javac  javadoc  unit  findbugs  hadoopcheck  hbaseanti  checkstyle
 compile  |
| uname | Linux asf900.gq1.ygridcore.net 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 / bdd7782 |
| Default Java | 1.7.0_80 |
| Multi-JDK versions |  /usr/local/jenkins/java/jdk1.8.0:1.8.0 /home/jenkins/jenkins-slave/tools/hudson.model.JDK/JDK_1.7_latest_:1.7.0_80
|
| findbugs | v3.0.0 |
| unit | https://builds.apache.org/job/PreCommit-HBASE-Build/2752/artifact/patchprocess/patch-unit-hbase-server.txt
|
| unit test logs |  https://builds.apache.org/job/PreCommit-HBASE-Build/2752/artifact/patchprocess/patch-unit-hbase-server.txt
|
|  Test Results | https://builds.apache.org/job/PreCommit-HBASE-Build/2752/testReport/ |
| modules | C: hbase-common hbase-server U: . |
| Console output | https://builds.apache.org/job/PreCommit-HBASE-Build/2752/console |
| Powered by | Apache Yetus 0.2.1   http://yetus.apache.org |


This message was automatically generated.



> When Cells are not copied to MSLAB, deep clone it while adding to Memstore
> --------------------------------------------------------------------------
>
>                 Key: HBASE-16205
>                 URL: https://issues.apache.org/jira/browse/HBASE-16205
>             Project: HBase
>          Issue Type: Sub-task
>          Components: regionserver
>    Affects Versions: 2.0.0
>            Reporter: Anoop Sam John
>            Assignee: Anoop Sam John
>            Priority: Critical
>             Fix For: 2.0.0
>
>         Attachments: HBASE-16205.patch, HBASE-16205_V2.patch, HBASE-16205_V3.patch, HBASE-16205_V3.patch,
HBASE-16205_V3.patch
>
>
> This is imp after HBASE-15180 optimization. After that we the cells flowing in write
path will be backed by the same byte[] where the RPC read the request into. By default we
have MSLAB On and so we have a copy operation while adding Cells to memstore.  This copy might
not be there if
> 1. MSLAB is turned OFF
> 2. Cell size is more than a configurable max size. This defaults to 256 KB
> 3. If the operation is Append/Increment. 
> In such cases, we should just clone the Cell into a new byte[] and then add to memstore.
 Or else we keep referring to the bigger byte[] chunk for longer time.



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