hadoop-hdfs-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5270) Use thread pools in the datenode daemons
Date Mon, 11 May 2015 10:42:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5270?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14537806#comment-14537806
] 

Hadoop QA commented on HDFS-5270:
---------------------------------

\\
\\
| (x) *{color:red}-1 overall{color}* |
\\
\\
|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch |  15m  6s | Pre-patch trunk compilation is healthy. |
| {color:green}+1{color} | @author |   0m  0s | The patch does not contain any @author tags.
|
| {color:green}+1{color} | tests included |   0m  0s | The patch appears to include 8 new
or modified test files. |
| {color:green}+1{color} | javac |   7m 49s | There were no new javac warning messages. |
| {color:green}+1{color} | javadoc |   9m 55s | There were no new javadoc warning messages.
|
| {color:green}+1{color} | release audit |   0m 22s | The applied patch does not increase
the total number of release audit warnings. |
| {color:red}-1{color} | checkstyle |   2m 22s | The applied patch generated  17 new checkstyle
issues (total was 545, now 520). |
| {color:green}+1{color} | whitespace |   0m 20s | The patch has no lines that end in whitespace.
|
| {color:green}+1{color} | install |   1m 41s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 33s | The patch built with eclipse:eclipse.
|
| {color:green}+1{color} | findbugs |   3m  6s | The patch does not introduce any new Findbugs
(version 2.0.3) warnings. |
| {color:green}+1{color} | native |   3m 19s | Pre-build of native portion |
| {color:red}-1{color} | hdfs tests | 166m  3s | Tests failed in hadoop-hdfs. |
| | | 210m 42s | |
\\
\\
|| Reason || Tests ||
| Failed unit tests | hadoop.tracing.TestTraceAdmin |
|   | hadoop.hdfs.tools.TestHdfsConfigFields |
\\
\\
|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12731869/HDFS-5270.4.patch |
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / 3fa2efc |
| checkstyle |  https://builds.apache.org/job/PreCommit-HDFS-Build/10908/artifact/patchprocess/diffcheckstylehadoop-hdfs.txt
|
| hadoop-hdfs test log | https://builds.apache.org/job/PreCommit-HDFS-Build/10908/artifact/patchprocess/testrun_hadoop-hdfs.txt
|
| Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/10908/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf904.gq1.ygridcore.net 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 |
| Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/10908/console |


This message was automatically generated.

> Use thread pools in the datenode daemons
> ----------------------------------------
>
>                 Key: HDFS-5270
>                 URL: https://issues.apache.org/jira/browse/HDFS-5270
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: datanode
>            Reporter: Haohui Mai
>            Assignee: zhangduo
>              Labels: BB2015-05-TBR
>         Attachments: HDFS-5270.000.patch, HDFS-5270.2.patch, HDFS-5270.3.patch, HDFS-5270.4.patch,
TestConcurrentAccess.java
>
>
> The current implementation of the datanode creates a thread when a new request comes
in. This incurs high overheads for the creation / destruction of threads, making the datanode
unstable under high concurrent loads.
> This JIRA proposes to use a thread pool to reduce the overheads.



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

Mime
View raw message