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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-17780) BoundedByteBufferPool "At capacity" messages are not actionable
Date Tue, 14 Mar 2017 00:49:41 GMT

    [ https://issues.apache.org/jira/browse/HBASE-17780?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15923334#comment-15923334
] 

Hadoop QA commented on HBASE-17780:
-----------------------------------

| (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 18s {color} | {color:blue}
Docker mode activated. {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} 1m 38s {color}
| {color:green} branch-1 passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 14s {color} |
{color:green} branch-1 passed with JDK v1.8.0_121 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 16s {color} |
{color:green} branch-1 passed with JDK v1.7.0_80 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 21s {color}
| {color:green} branch-1 passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 12s {color}
| {color:green} branch-1 passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 0m 42s {color} |
{color:green} branch-1 passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 12s {color} |
{color:green} branch-1 passed with JDK v1.8.0_121 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 18s {color} |
{color:green} branch-1 passed with JDK v1.7.0_80 {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 18s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 13s {color} |
{color:green} the patch passed with JDK v1.8.0_121 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 13s {color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 16s {color} |
{color:green} the patch passed with JDK v1.7.0_80 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 16s {color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 22s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 11s {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} 14m 12s {color}
| {color:green} The 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} hbaseprotoc {color} | {color:green} 0m 11s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 0m 53s {color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 13s {color} |
{color:green} the patch passed with JDK v1.8.0_121 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 18s {color} |
{color:green} the patch passed with JDK v1.7.0_80 {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 1m 50s {color} | {color:green}
hbase-common in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 8s {color}
| {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 23m 45s {color} | {color:black}
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|| Subsystem || Report/Notes ||
| Docker | Client=1.12.3 Server=1.12.3 Image:yetus/hbase:e01ee2f |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12858584/HBASE-17780-branch-1.patch
|
| JIRA Issue | HBASE-17780 |
| Optional Tests |  asflicense  javac  javadoc  unit  findbugs  hadoopcheck  hbaseanti  checkstyle
 compile  |
| uname | Linux a0f9a39db501 4.4.0-43-generic #63-Ubuntu SMP Wed Oct 12 13:48:03 UTC 2016
x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/hbase.sh |
| git revision | branch-1 / c97905a |
| Default Java | 1.7.0_80 |
| Multi-JDK versions |  /usr/lib/jvm/java-8-oracle:1.8.0_121 /usr/lib/jvm/java-7-oracle:1.7.0_80
|
| findbugs | v3.0.0 |
|  Test Results | https://builds.apache.org/job/PreCommit-HBASE-Build/6085/testReport/ |
| modules | C: hbase-common U: hbase-common |
| Console output | https://builds.apache.org/job/PreCommit-HBASE-Build/6085/console |
| Powered by | Apache Yetus 0.3.0   http://yetus.apache.org |


This message was automatically generated.



> BoundedByteBufferPool "At capacity" messages are not actionable
> ---------------------------------------------------------------
>
>                 Key: HBASE-17780
>                 URL: https://issues.apache.org/jira/browse/HBASE-17780
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 1.3.0
>            Reporter: Andrew Purtell
>            Assignee: Andrew Purtell
>            Priority: Minor
>             Fix For: 2.0.0, 1.4.0, 1.31
>
>         Attachments: HBASE-17780-branch-1.patch, HBASE-17780.patch
>
>
> This comment in BoundedByteBufferPool talks about "At capacity ..." warnings from this
class that may appear in logs when under load:
> {code}
>  * If a ByteBuffer is bigger than the configured threshold, we will just let the ByteBuffer
go
>  * rather than add it to the pool. If more ByteBuffers than the configured maximum instances,
>  * we will not add the passed ByteBuffer to the pool; we will just drop it
>  * (we will log a WARN in this case that we are at capacity).
> {code}
> First, dropping buffers when the pool is full is obviously an expected and normal condition.
Second, there is nothing actionable about that warning. Might be useful for developers, perhaps.
Drop it to DEBUG. 



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