[ 
https://issues.apache.org/jira/browse/HDFS-16603?focusedWorklogId=775709&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-775709
 ]

ASF GitHub Bot logged work on HDFS-16603:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 29/May/22 12:36
            Start Date: 29/May/22 12:36
    Worklog Time Spent: 10m 
      Work Description: hadoop-yetus commented on PR #4372:
URL: https://github.com/apache/hadoop/pull/4372#issuecomment-1140440676

   :confetti_ball: **+1 overall**
   
   
   
   
   
   
   | Vote | Subsystem | Runtime |  Logfile | Comment |
   |:----:|----------:|--------:|:--------:|:-------:|
   | +0 :ok: |  reexec  |   0m 40s |  |  Docker mode activated.  |
   |||| _ Prechecks _ |
   | +1 :green_heart: |  dupname  |   0m  0s |  |  No case conflicting files 
found.  |
   | +0 :ok: |  codespell  |   0m  0s |  |  codespell was not available.  |
   | +0 :ok: |  detsecrets  |   0m  0s |  |  detect-secrets was not available.  
|
   | +1 :green_heart: |  @author  |   0m  0s |  |  The patch does not contain 
any @author tags.  |
   | +1 :green_heart: |  test4tests  |   0m  0s |  |  The patch appears to 
include 1 new or modified test files.  |
   |||| _ trunk Compile Tests _ |
   | +1 :green_heart: |  mvninstall  |  42m 32s |  |  trunk passed  |
   | +1 :green_heart: |  compile  |   2m  4s |  |  trunk passed with JDK 
Private Build-11.0.15+10-Ubuntu-0ubuntu0.20.04.1  |
   | +1 :green_heart: |  compile  |   1m 51s |  |  trunk passed with JDK 
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07  |
   | +1 :green_heart: |  checkstyle  |   1m 31s |  |  trunk passed  |
   | +1 :green_heart: |  mvnsite  |   1m 58s |  |  trunk passed  |
   | +1 :green_heart: |  javadoc  |   1m 28s |  |  trunk passed with JDK 
Private Build-11.0.15+10-Ubuntu-0ubuntu0.20.04.1  |
   | +1 :green_heart: |  javadoc  |   1m 55s |  |  trunk passed with JDK 
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07  |
   | +1 :green_heart: |  spotbugs  |   4m  7s |  |  trunk passed  |
   | +1 :green_heart: |  shadedclient  |  25m 21s |  |  branch has no errors 
when building and testing our client artifacts.  |
   |||| _ Patch Compile Tests _ |
   | +1 :green_heart: |  mvninstall  |   1m 27s |  |  the patch passed  |
   | +1 :green_heart: |  compile  |   1m 35s |  |  the patch passed with JDK 
Private Build-11.0.15+10-Ubuntu-0ubuntu0.20.04.1  |
   | +1 :green_heart: |  javac  |   1m 35s |  |  
hadoop-hdfs-project_hadoop-hdfs-jdkPrivateBuild-11.0.15+10-Ubuntu-0ubuntu0.20.04.1
 with JDK Private Build-11.0.15+10-Ubuntu-0ubuntu0.20.04.1 generated 0 new + 
937 unchanged - 5 fixed = 937 total (was 942)  |
   | +1 :green_heart: |  compile  |   1m 23s |  |  the patch passed with JDK 
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07  |
   | +1 :green_heart: |  javac  |   1m 23s |  |  
hadoop-hdfs-project_hadoop-hdfs-jdkPrivateBuild-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07
 with JDK Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 generated 0 new 
+ 916 unchanged - 5 fixed = 916 total (was 921)  |
   | +1 :green_heart: |  blanks  |   0m  0s |  |  The patch has no blanks 
issues.  |
   | +1 :green_heart: |  checkstyle  |   1m  7s |  |  the patch passed  |
   | +1 :green_heart: |  mvnsite  |   1m 41s |  |  the patch passed  |
   | +1 :green_heart: |  javadoc  |   1m 11s |  |  the patch passed with JDK 
Private Build-11.0.15+10-Ubuntu-0ubuntu0.20.04.1  |
   | +1 :green_heart: |  javadoc  |   1m 40s |  |  the patch passed with JDK 
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07  |
   | +1 :green_heart: |  spotbugs  |   3m 55s |  |  the patch passed  |
   | +1 :green_heart: |  shadedclient  |  25m 38s |  |  patch has no errors 
when building and testing our client artifacts.  |
   |||| _ Other Tests _ |
   | +1 :green_heart: |  unit  | 255m 13s |  |  hadoop-hdfs in the patch 
passed.  |
   | +1 :green_heart: |  asflicense  |   1m 14s |  |  The patch does not 
generate ASF License warnings.  |
   |  |   | 376m 49s |  |  |
   
   
   | Subsystem | Report/Notes |
   |----------:|:-------------|
   | Docker | ClientAPI=1.41 ServerAPI=1.41 base: 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4372/2/artifact/out/Dockerfile
 |
   | GITHUB PR | https://github.com/apache/hadoop/pull/4372 |
   | Optional Tests | dupname asflicense compile javac javadoc mvninstall 
mvnsite unit shadedclient spotbugs checkstyle codespell detsecrets |
   | uname | Linux 2dff06cdc996 4.15.0-175-generic #184-Ubuntu SMP Thu Mar 24 
17:48:36 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux |
   | Build tool | maven |
   | Personality | dev-support/bin/hadoop.sh |
   | git revision | trunk / 23b2944ed49f48e7ba3589e344784dfbc43992eb |
   | Default Java | Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
   | Multi-JDK versions | /usr/lib/jvm/java-11-openjdk-amd64:Private 
Build-11.0.15+10-Ubuntu-0ubuntu0.20.04.1 
/usr/lib/jvm/java-8-openjdk-amd64:Private 
Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
   |  Test Results | 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4372/2/testReport/ |
   | Max. process+thread count | 3064 (vs. ulimit of 5500) |
   | modules | C: hadoop-hdfs-project/hadoop-hdfs U: 
hadoop-hdfs-project/hadoop-hdfs |
   | Console output | 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4372/2/console |
   | versions | git=2.25.1 maven=3.6.3 spotbugs=4.2.2 |
   | Powered by | Apache Yetus 0.14.0 https://yetus.apache.org |
   
   
   This message was automatically generated.
   
   




Issue Time Tracking
-------------------

    Worklog Id:     (was: 775709)
    Time Spent: 20m  (was: 10m)

> Improve DatanodeHttpServer With Netty recommended method
> --------------------------------------------------------
>
>                 Key: HDFS-16603
>                 URL: https://issues.apache.org/jira/browse/HDFS-16603
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: fanshilun
>            Assignee: fanshilun
>            Priority: Minor
>              Labels: pull-request-available
>             Fix For: 3.4.0
>
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> When reading the code, I found that some usage methods are outdated due to 
> the upgrade of netty components.
> {color:#172b4d}*1.DatanodeHttpServer#Constructor*{color}
> {code:java}
> @Deprecated
> public static final ChannelOption<Integer> WRITE_BUFFER_HIGH_WATER_MARK = 
> valueOf("WRITE_BUFFER_HIGH_WATER_MARK"); 
> Deprecated. Use WRITE_BUFFER_WATER_MARK
> @Deprecated
> public static final ChannelOption<Integer> WRITE_BUFFER_LOW_WATER_MARK = 
> valueOf("WRITE_BUFFER_LOW_WATER_MARK");
> Deprecated. Use WRITE_BUFFER_WATER_MARK
> -----
> this.httpServer.childOption(
>           ChannelOption.WRITE_BUFFER_HIGH_WATER_MARK,
>           conf.getInt(
>               DFSConfigKeys.DFS_WEBHDFS_NETTY_HIGH_WATERMARK,
>               DFSConfigKeys.DFS_WEBHDFS_NETTY_HIGH_WATERMARK_DEFAULT));
> this.httpServer.childOption(
>           ChannelOption.WRITE_BUFFER_LOW_WATER_MARK,
>           conf.getInt(
>               DFSConfigKeys.DFS_WEBHDFS_NETTY_LOW_WATERMARK,
>               DFSConfigKeys.DFS_WEBHDFS_NETTY_LOW_WATERMARK_DEFAULT));
> {code}
> *2.Duplicate code* 
> {code:java}
> ChannelFuture f = httpServer.bind(infoAddr);
> try {
>  f.syncUninterruptibly();
> } catch (Throwable e) {
>   if (e instanceof BindException) {
>    throw NetUtils.wrapException(null, 0, infoAddr.getHostName(),
>    infoAddr.getPort(), (SocketException) e);
>  } else {
>    throw e;
>  }
> }
> httpAddress = (InetSocketAddress) f.channel().localAddress();
> LOG.info("Listening HTTP traffic on " + httpAddress);{code}
> *3.io.netty.bootstrap.ChannelFactory Deprecated*
> *use io.netty.channel.ChannelFactory instead.*
> {code:java}
> /** @deprecated */
> @Deprecated
> public interface ChannelFactory<T extends Channel> {
>     T newChannel();
> }{code}



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