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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-15146) Don't block on Reader threads queueing to a scheduler queue
Date Wed, 27 Jan 2016 00:48:40 GMT

    [ https://issues.apache.org/jira/browse/HBASE-15146?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15118365#comment-15118365
] 

Hadoop QA commented on HBASE-15146:
-----------------------------------

| (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:green}+1{color} | {color:green} test4tests {color} | {color:green} 0m 0s {color}
| {color:green} The patch appears to include 3 new or modified test files. {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 4m 3s {color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 26s {color} |
{color:green} master passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 19s {color} |
{color:green} master passed with JDK v1.7.0_91 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 7m 12s {color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 36s {color}
| {color:green} master passed {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red} 2m 32s {color} | {color:red}
hbase-server in master has 1 extant Findbugs warnings. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 9s {color} | {color:green}
master passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 11s {color} |
{color:green} master passed with JDK v1.7.0_91 {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m 26s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 17s {color} |
{color:green} the patch passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m 17s {color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 9s {color} | {color:green}
the patch passed with JDK v1.7.0_91 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m 9s {color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 7m 20s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 37s {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} 29m 31s {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} 4m 13s {color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 13s {color} |
{color:green} the patch passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 15s {color} |
{color:green} the patch passed with JDK v1.7.0_91 {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 1m 16s {color} | {color:green}
hbase-client in the patch passed with JDK v1.8.0_66. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 110m 15s {color} | {color:red}
hbase-server in the patch failed with JDK v1.8.0_66. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 1m 38s {color} | {color:green}
hbase-client in the patch passed with JDK v1.7.0_91. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 0m 25s {color} | {color:red}
hbase-server in the patch failed with JDK v1.7.0_91. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 23s {color}
| {color:green} Patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 183m 43s {color} | {color:black}
{color} |
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|| Reason || Tests ||
| JDK v1.8.0_66 Timed out junit tests | org.apache.hadoop.hbase.client.TestFromClientSide
|
|   | org.apache.hadoop.hbase.client.TestFromClientSideWithCoprocessor |
|   | org.apache.hadoop.hbase.TestHBaseOnOtherDfsCluster |
|   | org.apache.hadoop.hbase.TestMetaTableAccessor |
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|| Subsystem || Report/Notes ||
| Docker | Client=1.9.1 Server=1.9.1 Image:yetus/hbase:date2016-01-26 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12784503/HBASE-15146-v8.patch
|
| JIRA Issue | HBASE-15146 |
| Optional Tests |  asflicense  javac  javadoc  unit  findbugs  hadoopcheck  hbaseanti  checkstyle
 compile  |
| uname | Linux 15185365d3e9 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 / de62ad1 |
| findbugs | v3.0.0 |
| findbugs | https://builds.apache.org/job/PreCommit-HBASE-Build/300/artifact/patchprocess/branch-findbugs-hbase-server-warnings.html
|
| unit | https://builds.apache.org/job/PreCommit-HBASE-Build/300/artifact/patchprocess/patch-unit-hbase-server-jdk1.8.0_66.txt
|
| unit | https://builds.apache.org/job/PreCommit-HBASE-Build/300/artifact/patchprocess/patch-unit-hbase-server-jdk1.7.0_91.txt
|
| unit test logs |  https://builds.apache.org/job/PreCommit-HBASE-Build/300/artifact/patchprocess/patch-unit-hbase-server-jdk1.8.0_66.txt
|
| JDK v1.7.0_91  Test Results | https://builds.apache.org/job/PreCommit-HBASE-Build/300/testReport/
|
| modules | C: hbase-client hbase-server U: . |
| Max memory used | 387MB |
| Powered by | Apache Yetus 0.1.0   http://yetus.apache.org |
| Console output | https://builds.apache.org/job/PreCommit-HBASE-Build/300/console |


This message was automatically generated.



> Don't block on Reader threads queueing to a scheduler queue
> -----------------------------------------------------------
>
>                 Key: HBASE-15146
>                 URL: https://issues.apache.org/jira/browse/HBASE-15146
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 1.2.0
>            Reporter: Elliott Clark
>            Assignee: Elliott Clark
>            Priority: Blocker
>             Fix For: 1.2.0
>
>         Attachments: HBASE-15146-v7.patch, HBASE-15146-v8.patch, HBASE-15146.0.patch,
HBASE-15146.1.patch, HBASE-15146.2.patch, HBASE-15146.3.patch, HBASE-15146.4.patch, HBASE-15146.5.patch,
HBASE-15146.6.patch
>
>
> Blocking on the epoll thread is awful. The new rpc scheduler can have lots of different
queues. Those queues have different capacity limits. Currently the dispatch method can block
trying to add the the blocking queue in any of the schedulers.
> This causes readers to block, tcp acks are delayed, and everything slows down.



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