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https://issues.apache.org/jira/browse/HBASE-16989?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15636601#comment-15636601
 ] 

Hadoop QA commented on HBASE-16989:
-----------------------------------

| (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 24s 
{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} 3m 
37s {color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 41s 
{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 
49s {color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
14s {color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m 
51s {color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 32s 
{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 
53s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 39s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 39s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 
49s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
14s {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} 
30m 33s {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-alpha1. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m 
58s {color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} javadoc {color} | {color:red} 0m 29s 
{color} | {color:red} hbase-server generated 1 new + 1 unchanged - 0 fixed = 2 
total (was 1) {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 101m 42s 
{color} | {color:red} hbase-server in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 
16s {color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 146m 5s {color} 
| {color:black} {color} |
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|| Reason || Tests ||
| Timed out junit tests | 
org.apache.hadoop.hbase.master.procedure.TestModifyTableProcedure |
|   | org.apache.hadoop.hbase.master.procedure.TestServerCrashProcedure |
|   | org.apache.hadoop.hbase.master.procedure.TestRestoreSnapshotProcedure |
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|| Subsystem || Report/Notes ||
| Docker | Client=1.11.2 Server=1.11.2 Image:yetus/hbase:7bda515 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12837117/HBASE-16989.v1.patch |
| JIRA Issue | HBASE-16989 |
| Optional Tests |  asflicense  javac  javadoc  unit  findbugs  hadoopcheck  
hbaseanti  checkstyle  compile  |
| uname | Linux 31be7b6ce4d1 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@2/component/dev-support/hbase-personality.sh
 |
| git revision | master / 05ee54f |
| Default Java | 1.8.0_101 |
| findbugs | v3.0.0 |
| javadoc | 
https://builds.apache.org/job/PreCommit-HBASE-Build/4325/artifact/patchprocess/diff-javadoc-javadoc-hbase-server.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-HBASE-Build/4325/artifact/patchprocess/patch-unit-hbase-server.txt
 |
| unit test logs |  
https://builds.apache.org/job/PreCommit-HBASE-Build/4325/artifact/patchprocess/patch-unit-hbase-server.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HBASE-Build/4325/testReport/ |
| modules | C: hbase-server U: hbase-server |
| Console output | 
https://builds.apache.org/job/PreCommit-HBASE-Build/4325/console |
| Powered by | Apache Yetus 0.3.0   http://yetus.apache.org |


This message was automatically generated.



> RowProcess#postBatchMutate doesn’t be executed before the mvcc transaction 
> completion
> -------------------------------------------------------------------------------------
>
>                 Key: HBASE-16989
>                 URL: https://issues.apache.org/jira/browse/HBASE-16989
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 2.0.0
>            Reporter: ChiaPing Tsai
>            Assignee: ChiaPing Tsai
>             Fix For: 2.0.0
>
>         Attachments: HBASE-16989.v0.patch, HBASE-16989.v1.patch
>
>
> After the [HBASE-15158|https://issues.apache.org/jira/browse/HBASE-15158], 
> RowProcess#postBatchMutate will be executed “after” the mvcc transaction 
> completion.
> {code:title=HRegion#processRowsWithLocks}
>           // STEP 8. Complete mvcc.
>           mvcc.completeAndWait(writeEntry);
>           writeEntry = null;
>     
>           // STEP 9. Release region lock
>           if (locked) {
>             this.updatesLock.readLock().unlock();
>             locked = false;
>           }
>     
>           // STEP 10. Release row lock(s)
>           releaseRowLocks(acquiredRowLocks);
>     
>           // STEP 11. call postBatchMutate hook
>           processor.postBatchMutate(this);
> {code}
> {code:title=RowProcess#postBatchMutate}
>   /**
>    * The hook to be executed after the process() and applying the Mutations 
> to region. The
>    * difference of this one with {@link #postProcess(HRegion, WALEdit, 
> boolean)} is this hook will
>    * be executed before the mvcc transaction completion.
>    */
>   void postBatchMutate(HRegion region) throws IOException;
> {code}
> Do we ought to revamp the comment of RowProcess#postBatchMutate or change the 
> call order?
> I prefer the former, because the HRegion#doMiniBatchMutate() also call 
> postBatchMutate() after the mvcc transaction completion.
> Any comment? Thanks.



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