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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7279) Use netty to implement DatanodeWebHdfsMethods
Date Fri, 07 Nov 2014 08:01:35 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7279?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14201762#comment-14201762
] 

Hadoop QA commented on HDFS-7279:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12679588/HDFS-7279.007.patch
  against trunk revision 61effcb.

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:red}-1 tests included{color}.  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:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 javadoc{color}.  There were no new javadoc warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
2.0.3) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:red}-1 core tests{color}.  The following test timeouts occurred in hadoop-common-project/hadoop-common
hadoop-hdfs-project/hadoop-hdfs:

org.apache.hadoop.hdfs.server.namenode.TestFsck
org.apache.hadoop.hdfs.server.namenode.TestDeleteRace

    {color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/8687//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/8687//console

This message is automatically generated.

> Use netty to implement DatanodeWebHdfsMethods
> ---------------------------------------------
>
>                 Key: HDFS-7279
>                 URL: https://issues.apache.org/jira/browse/HDFS-7279
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: datanode, webhdfs
>            Reporter: Haohui Mai
>            Assignee: Haohui Mai
>         Attachments: HDFS-7279.000.patch, HDFS-7279.001.patch, HDFS-7279.002.patch, HDFS-7279.003.patch,
HDFS-7279.004.patch, HDFS-7279.005.patch, HDFS-7279.006.patch, HDFS-7279.007.patch
>
>
> Currently the DN implements all related webhdfs functionality using jetty. As the current
jetty version the DN used (jetty 6) lacks of fine-grained buffer and connection management,
DN often suffers from long latency and OOM when its webhdfs component is under sustained heavy
load.
> This jira proposes to implement the webhdfs component in DN using netty, which can be
more efficient and allow more finer-grain controls on webhdfs.



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