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Posted to hdfs-issues@hadoop.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2022/08/11 20:38:00 UTC

[jira] [Commented] (HDFS-16695) Improve Code with Lambda in org.apahce.hadoop.hdfs.server.namenode package

    [ https://issues.apache.org/jira/browse/HDFS-16695?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17578658#comment-17578658 ] 

ASF GitHub Bot commented on HDFS-16695:
---------------------------------------

hadoop-yetus commented on PR #4668:
URL: https://github.com/apache/hadoop/pull/4668#issuecomment-1212469682

   :broken_heart: **-1 overall**
   
   
   
   
   
   
   | Vote | Subsystem | Runtime |  Logfile | Comment |
   |:----:|----------:|--------:|:--------:|:-------:|
   | +0 :ok: |  reexec  |   0m 48s |  |  Docker mode activated.  |
   |||| _ Prechecks _ |
   | +1 :green_heart: |  dupname  |   0m  0s |  |  No case conflicting files found.  |
   | +0 :ok: |  codespell  |   0m  1s |  |  codespell was not available.  |
   | +0 :ok: |  detsecrets  |   0m  1s |  |  detect-secrets was not available.  |
   | +1 :green_heart: |  @author  |   0m  0s |  |  The patch does not contain any @author tags.  |
   | -1 :x: |  test4tests  |   0m  0s |  |  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.  |
   |||| _ trunk Compile Tests _ |
   | +1 :green_heart: |  mvninstall  |  41m 13s |  |  trunk passed  |
   | +1 :green_heart: |  compile  |   1m 42s |  |  trunk passed with JDK Private Build-11.0.15+10-Ubuntu-0ubuntu0.20.04.1  |
   | +1 :green_heart: |  compile  |   1m 31s |  |  trunk passed with JDK Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07  |
   | +1 :green_heart: |  checkstyle  |   1m 24s |  |  trunk passed  |
   | +1 :green_heart: |  mvnsite  |   1m 39s |  |  trunk passed  |
   | +1 :green_heart: |  javadoc  |   1m 19s |  |  trunk passed with JDK Private Build-11.0.15+10-Ubuntu-0ubuntu0.20.04.1  |
   | +1 :green_heart: |  javadoc  |   1m 44s |  |  trunk passed with JDK Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07  |
   | +1 :green_heart: |  spotbugs  |   3m 46s |  |  trunk passed  |
   | +1 :green_heart: |  shadedclient  |  26m 27s |  |  branch has no errors when building and testing our client artifacts.  |
   |||| _ Patch Compile Tests _ |
   | +1 :green_heart: |  mvninstall  |   1m 24s |  |  the patch passed  |
   | +1 :green_heart: |  compile  |   1m 30s |  |  the patch passed with JDK Private Build-11.0.15+10-Ubuntu-0ubuntu0.20.04.1  |
   | +1 :green_heart: |  javac  |   1m 30s |  |  the patch passed  |
   | +1 :green_heart: |  compile  |   1m 19s |  |  the patch passed with JDK Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07  |
   | +1 :green_heart: |  javac  |   1m 19s |  |  the patch passed  |
   | +1 :green_heart: |  blanks  |   0m  0s |  |  The patch has no blanks issues.  |
   | +1 :green_heart: |  checkstyle  |   1m  6s |  |  hadoop-hdfs-project/hadoop-hdfs: The patch generated 0 new + 777 unchanged - 39 fixed = 777 total (was 816)  |
   | +1 :green_heart: |  mvnsite  |   1m 26s |  |  the patch passed  |
   | +1 :green_heart: |  javadoc  |   0m 58s |  |  the patch passed with JDK Private Build-11.0.15+10-Ubuntu-0ubuntu0.20.04.1  |
   | +1 :green_heart: |  javadoc  |   1m 30s |  |  the patch passed with JDK Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07  |
   | +1 :green_heart: |  spotbugs  |   3m 33s |  |  the patch passed  |
   | +1 :green_heart: |  shadedclient  |  26m 18s |  |  patch has no errors when building and testing our client artifacts.  |
   |||| _ Other Tests _ |
   | +1 :green_heart: |  unit  | 342m  5s |  |  hadoop-hdfs in the patch passed.  |
   | +1 :green_heart: |  asflicense  |   0m 59s |  |  The patch does not generate ASF License warnings.  |
   |  |   | 460m 59s |  |  |
   
   
   | Subsystem | Report/Notes |
   |----------:|:-------------|
   | Docker | ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4668/3/artifact/out/Dockerfile |
   | GITHUB PR | https://github.com/apache/hadoop/pull/4668 |
   | Optional Tests | dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient spotbugs checkstyle codespell detsecrets |
   | uname | Linux f1e4004c0e15 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 / 5e1e30451f406e776e66135f7d00265c763345a0 |
   | 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-4668/3/testReport/ |
   | Max. process+thread count | 1961 (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-4668/3/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.
   
   




> Improve Code with Lambda in org.apahce.hadoop.hdfs.server.namenode package
> --------------------------------------------------------------------------
>
>                 Key: HDFS-16695
>                 URL: https://issues.apache.org/jira/browse/HDFS-16695
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: ZanderXu
>            Assignee: ZanderXu
>            Priority: Minor
>              Labels: pull-request-available
>          Time Spent: 1h 50m
>  Remaining Estimate: 0h
>
> Improve Code with Lambda in org.apahce.hadoop.hdfs.server.namenode package.
> For example:
> Current logic:
> {code:java}
> public ListenableFuture<GetJournaledEditsResponseProto> getJournaledEdits(
>       long fromTxnId, int maxTransactions) {
>     return parallelExecutor.submit(
>         new Callable<GetJournaledEditsResponseProto>() {
>           @Override
>           public GetJournaledEditsResponseProto call() throws IOException {
>             return getProxy().getJournaledEdits(journalId, nameServiceId,
>                 fromTxnId, maxTransactions);
>           }
>         });
>   }
> {code}
> Improved Code with Lambda:
> {code:java}
> public ListenableFuture<GetJournaledEditsResponseProto> getJournaledEdits(
>       long fromTxnId, int maxTransactions) {
>     return parallelExecutor.submit(() -> getProxy().getJournaledEdits(
>         journalId, nameServiceId, fromTxnId, maxTransactions));
>   }
> {code}



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