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https://issues.apache.org/jira/browse/HBASE-16992?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15640272#comment-15640272
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Hadoop QA commented on HBASE-16992:
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| (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 12s 
{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 
16s {color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 35s 
{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 
45s {color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
13s {color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m 
39s {color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 26s 
{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 
44s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 35s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 35s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 
44s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
13s {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} 
27m 5s {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 
46s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 26s 
{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 91m 8s {color} 
| {color:red} hbase-server in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 
15s {color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 130m 22s {color} 
| {color:black} {color} |
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|| Reason || Tests ||
| Timed out junit tests | org.apache.hadoop.hbase.TestGlobalMemStoreSize |
|   | 
org.apache.hadoop.hbase.security.visibility.TestVisibilityLabelsWithDeletes |
|   | 
org.apache.hadoop.hbase.security.visibility.TestVisibilityLabelReplicationWithExpAsString
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|   | org.apache.hadoop.hbase.filter.TestMultiRowRangeFilter |
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|| Subsystem || Report/Notes ||
| Docker | Client=1.12.3 Server=1.12.3 Image:yetus/hbase:7bda515 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12837622/HBASE-16992.v0.patch |
| JIRA Issue | HBASE-16992 |
| Optional Tests |  asflicense  javac  javadoc  unit  findbugs  hadoopcheck  
hbaseanti  checkstyle  compile  |
| uname | Linux bff911470a9f 3.13.0-95-generic #142-Ubuntu SMP Fri Aug 12 
17:00:09 UTC 2016 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 / 7e05d0f |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.0 |
| unit | 
https://builds.apache.org/job/PreCommit-HBASE-Build/4348/artifact/patchprocess/patch-unit-hbase-server.txt
 |
| unit test logs |  
https://builds.apache.org/job/PreCommit-HBASE-Build/4348/artifact/patchprocess/patch-unit-hbase-server.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HBASE-Build/4348/testReport/ |
| modules | C: hbase-server U: hbase-server |
| Console output | 
https://builds.apache.org/job/PreCommit-HBASE-Build/4348/console |
| Powered by | Apache Yetus 0.3.0   http://yetus.apache.org |


This message was automatically generated.



> The usage of mutation from CP is weird.
> ---------------------------------------
>
>                 Key: HBASE-16992
>                 URL: https://issues.apache.org/jira/browse/HBASE-16992
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 2.0.0, 1.3.0, 1.4.0
>            Reporter: ChiaPing Tsai
>            Assignee: ChiaPing Tsai
>            Priority: Minor
>             Fix For: 2.0.0, 1.4.0, 1.3.1
>
>         Attachments: HBASE-16992.branch-1.v0.patch, HBASE-16992.v0.patch
>
>
> {code:title=HRegion#doMiniBatchMutate|borderStyle=solid}
> Mutation cpMutation = cpMutations[j];
> Map<byte[], List<Cell>> cpFamilyMap = cpMutation.getFamilyCellMap();
> checkAndPrepareMutation(cpMutation, replay, cpFamilyMap, now);
>  // Acquire row locks. If not, the whole batch will fail.
> acquiredRowLocks.add(getRowLockInternal(cpMutation.getRow(), true));
> if (cpMutation.getDurability() == Durability.SKIP_WAL) {
>   recordMutationWithoutWal(cpFamilyMap);
> }
> // Returned mutations from coprocessor correspond to the Mutation at index i. 
> We can
>  // directly add the cells from those mutations to the familyMaps of this 
> mutation.
> mergeFamilyMaps(familyMaps[i], cpFamilyMap); // will get added to the 
> memstore later
> {code}
> 1. Does the returned mutation from coprocessor have the same row as the 
> corresponded mutation? If so, the acquiredRowLocks() can be saved. If not, 
> the corresponded mutation may maintain the cells with different row due to 
> mergeFamilyMaps().
> 2. Is returned mutation's durability useful? If so, we should deal with the 
> different durabilities before mergeFamilyMaps(). If not, the 
> recordMutationWithoutWal can be saved. 
> 3. If both the returned mutation and corresponded mutation have 
> Durability.SKIP_WAL, the recordMutationWithoutWal() may record the duplicate 
> cells due to mergeFamilyMaps().
> Any comment? Thanks.



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