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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-17172) Optimize mob compaction with _del files
Date Fri, 03 Feb 2017 21:40:51 GMT

    [ https://issues.apache.org/jira/browse/HBASE-17172?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15852158#comment-15852158
] 

Hadoop QA commented on HBASE-17172:
-----------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 13m 25s {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 23s {color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 38s {color} |
{color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 43s {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 51s {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 40s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 36s {color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 36s {color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 37s {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} 26m 38s {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:red}-1{color} | {color:red} findbugs {color} | {color:red} 2m 0s {color} | {color:red}
hbase-server generated 2 new + 0 unchanged - 0 fixed = 2 total (was 0) {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 27s {color} |
{color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 122m 19s {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} 174m 47s {color} | {color:black}
{color} |
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|| Reason || Tests ||
| FindBugs | module:hbase-server |
|  |  org.apache.hadoop.hbase.mob.compactions.PartitionedMobCompactionRequest$CompactionDelPartitionId
defines equals and uses Object.hashCode()  At PartitionedMobCompactionRequest.java:Object.hashCode()
 At PartitionedMobCompactionRequest.java:[lines 315-323] |
|  |  Should org.apache.hadoop.hbase.mob.compactions.PartitionedMobCompactor$DelPartitionComparator
be a _static_ inner class?  At PartitionedMobCompactor.java:inner class?  At PartitionedMobCompactor.java:[lines
377-398] |
| Failed junit tests | hadoop.hbase.client.TestBlockEvictionFromClient |
| Timed out junit tests | org.apache.hadoop.hbase.client.TestAsyncTableBatch |
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|| Subsystem || Report/Notes ||
| Docker | Client=1.12.1 Server=1.12.1 Image:yetus/hbase:8d52d23 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12850856/HBASE-17172.master.001.patch
|
| JIRA Issue | HBASE-17172 |
| Optional Tests |  asflicense  javac  javadoc  unit  findbugs  hadoopcheck  hbaseanti  checkstyle
 compile  |
| uname | Linux 461fbc4738cd 4.4.0-31-generic #50-Ubuntu SMP Wed Jul 13 00:07:12 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 / 1159296 |
| Default Java | 1.8.0_121 |
| findbugs | v3.0.0 |
| findbugs | https://builds.apache.org/job/PreCommit-HBASE-Build/5564/artifact/patchprocess/new-findbugs-hbase-server.html
|
| unit | https://builds.apache.org/job/PreCommit-HBASE-Build/5564/artifact/patchprocess/patch-unit-hbase-server.txt
|
| unit test logs |  https://builds.apache.org/job/PreCommit-HBASE-Build/5564/artifact/patchprocess/patch-unit-hbase-server.txt
|
|  Test Results | https://builds.apache.org/job/PreCommit-HBASE-Build/5564/testReport/ |
| modules | C: hbase-server U: hbase-server |
| Console output | https://builds.apache.org/job/PreCommit-HBASE-Build/5564/console |
| Powered by | Apache Yetus 0.3.0   http://yetus.apache.org |


This message was automatically generated.



> Optimize mob compaction with _del files
> ---------------------------------------
>
>                 Key: HBASE-17172
>                 URL: https://issues.apache.org/jira/browse/HBASE-17172
>             Project: HBase
>          Issue Type: Improvement
>          Components: mob
>    Affects Versions: 2.0.0
>            Reporter: huaxiang sun
>            Assignee: huaxiang sun
>         Attachments: HBASE-17172-master-001.patch, HBASE-17172.master.001.patch
>
>
> Today, when there is a _del file in mobdir, with major mob compaction, every mob file
will be recompacted, this causes lots of IO and slow down major mob compaction (may take months
to finish). This needs to be improved. A few ideas are: 
> 1) Do not compact all _del files into one, instead, compact them based on groups with
startKey as the key. Then use firstKey/startKey to make each mob file to see if the _del file
needs to be included for this partition.
> 2). Based on the timerange of the _del file, compaction for files after that timerange
does not need to include the _del file as these are newer files.



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