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https://issues.apache.org/jira/browse/HBASE-15171?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15119854#comment-15119854
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Hadoop QA commented on HBASE-15171:
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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 0s
{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: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:green}+1{color} | {color:green} mvninstall {color} | {color:green} 2m
29s {color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 31s
{color} | {color:green} master passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 33s
{color} | {color:green} master passed with JDK v1.7.0_91 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 4m
12s {color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m
16s {color} | {color:green} master passed {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red} 1m 49s
{color} | {color:red} hbase-server in master has 1 extant Findbugs warnings.
{color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 25s
{color} | {color:green} master passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 32s
{color} | {color:green} master passed with JDK v1.7.0_91 {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m
45s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 30s
{color} | {color:green} the patch passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 30s
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 33s
{color} | {color:green} the patch passed with JDK v1.7.0_91 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 33s
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 4m
15s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m
16s {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}
21m 19s {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} 1m
56s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 24s
{color} | {color:green} the patch passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 33s
{color} | {color:green} the patch passed with JDK v1.7.0_91 {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 78m 11s
{color} | {color:green} hbase-server in the patch passed with JDK v1.8.0_66.
{color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 79m 27s
{color} | {color:green} hbase-server in the patch passed with JDK v1.7.0_91.
{color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
17s {color} | {color:green} Patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 199m 36s {color}
| {color:black} {color} |
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|| Subsystem || Report/Notes ||
| Docker | Client=1.9.1 Server=1.9.1 Image:yetus/hbase:date2016-01-27 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12784644/HBASE-15171.patch |
| JIRA Issue | HBASE-15171 |
| Optional Tests | asflicense javac javadoc unit findbugs hadoopcheck
hbaseanti checkstyle compile |
| uname | Linux c7ff12a9c5aa 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 / d4610df |
| findbugs | v3.0.0 |
| findbugs |
https://builds.apache.org/job/PreCommit-HBASE-Build/309/artifact/patchprocess/branch-findbugs-hbase-server-warnings.html
|
| JDK v1.7.0_91 Test Results |
https://builds.apache.org/job/PreCommit-HBASE-Build/309/testReport/ |
| modules | C: hbase-server U: hbase-server |
| Max memory used | 174MB |
| Powered by | Apache Yetus 0.1.0 http://yetus.apache.org |
| Console output |
https://builds.apache.org/job/PreCommit-HBASE-Build/309/console |
This message was automatically generated.
> Avoid counting duplicated kv and generating lots of small hfiles in
> PutSortReducer
> ----------------------------------------------------------------------------------
>
> Key: HBASE-15171
> URL: https://issues.apache.org/jira/browse/HBASE-15171
> Project: HBase
> Issue Type: Sub-task
> Affects Versions: 2.0.0, 1.1.2, 0.98.17
> Reporter: Yu Li
> Assignee: Yu Li
> Fix For: 2.0.0
>
> Attachments: HBASE-15171.patch, HBASE-15171.patch, HBASE-15171.patch
>
>
> Once there was one of our online user writing huge number of duplicated kvs
> during bulkload, and we found it generated lots of small hfiles and slows
> down the whole process.
> After debugging, we found in PutSortReducer#reduce, although it already tried
> to handle the pathological case by setting a threshold for single-row size
> and having a TreeMap to avoid writing out duplicated kv, it forgot to exclude
> duplicated kv from the accumulated size. As shown in below code segment:
> {code}
> while (iter.hasNext() && curSize < threshold) {
> Put p = iter.next();
> for (List<Cell> cells: p.getFamilyCellMap().values()) {
> for (Cell cell: cells) {
> KeyValue kv = KeyValueUtil.ensureKeyValue(cell);
> map.add(kv);
> curSize += kv.heapSize();
> }
> }
> }
> {code}
> We should move the {{curSize += kv.heapSize();}} line out of the outer for
> loop
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