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https://issues.apache.org/jira/browse/HADOOP-19616?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18007724#comment-18007724
 ] 

ASF GitHub Bot commented on HADOOP-19616:
-----------------------------------------

hadoop-yetus commented on PR #7809:
URL: https://github.com/apache/hadoop/pull/7809#issuecomment-3082749075

   :broken_heart: **-1 overall**
   
   
   
   
   
   
   | Vote | Subsystem | Runtime |  Logfile | Comment |
   |:----:|----------:|--------:|:--------:|:-------:|
   | +0 :ok: |  reexec  |  45m 31s |  |  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 :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 :x: |  mvninstall  |  80m 13s | 
[/branch-mvninstall-root.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7809/1/artifact/out/branch-mvninstall-root.txt)
 |  root in trunk failed.  |
   | +1 :green_heart: |  compile  |   1m  1s |  |  trunk passed  |
   | +1 :green_heart: |  mvnsite  |   0m 33s |  |  trunk passed  |
   | +1 :green_heart: |  shadedclient  | 122m  7s |  |  branch has no errors 
when building and testing our client artifacts.  |
   |||| _ Patch Compile Tests _ |
   | +1 :green_heart: |  mvninstall  |   0m 20s |  |  the patch passed  |
   | +1 :green_heart: |  compile  |   0m 51s |  |  the patch passed  |
   | +1 :green_heart: |  cc  |   0m 51s |  |  the patch passed  |
   | +1 :green_heart: |  golang  |   0m 51s |  |  the patch passed  |
   | +1 :green_heart: |  javac  |   0m 51s |  |  the patch passed  |
   | +1 :green_heart: |  blanks  |   0m  0s |  |  The patch has no blanks 
issues.  |
   | +1 :green_heart: |  mvnsite  |   0m 21s |  |  the patch passed  |
   | +1 :green_heart: |  shadedclient  |  40m 18s |  |  patch has no errors 
when building and testing our client artifacts.  |
   |||| _ Other Tests _ |
   | +1 :green_heart: |  unit  |   2m 50s |  |  
hadoop-mapreduce-client-nativetask in the patch passed.  |
   | +1 :green_heart: |  asflicense  |   0m 37s |  |  The patch does not 
generate ASF License warnings.  |
   |  |   | 214m 11s |  |  |
   
   
   | Subsystem | Report/Notes |
   |----------:|:-------------|
   | Docker | ClientAPI=1.51 ServerAPI=1.51 base: 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7809/1/artifact/out/Dockerfile
 |
   | GITHUB PR | https://github.com/apache/hadoop/pull/7809 |
   | Optional Tests | dupname asflicense compile cc mvnsite javac unit 
codespell detsecrets golang |
   | uname | Linux bb3bde6d0dbd 5.15.0-143-generic #153-Ubuntu SMP Fri Jun 13 
19:10:45 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux |
   | Build tool | maven |
   | Personality | dev-support/bin/hadoop.sh |
   | git revision | trunk / 3c622c7607941be6914942289a9ea1e4643d2bee |
   | Default Java | Red Hat, Inc.-1.8.0_412-b08 |
   |  Test Results | 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7809/1/testReport/ |
   | Max. process+thread count | 533 (vs. ulimit of 5500) |
   | modules | C: 
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask
 U: 
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask
 |
   | Console output | 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7809/1/console |
   | versions | git=2.9.5 maven=3.6.3 |
   | Powered by | Apache Yetus 0.14.0 https://yetus.apache.org |
   
   
   This message was automatically generated.
   
   




> Add bswap support for RISC-V
> ----------------------------
>
>                 Key: HADOOP-19616
>                 URL: https://issues.apache.org/jira/browse/HADOOP-19616
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: native
>    Affects Versions: 3.3.0, 3.4.1
>            Reporter: Lei Wen
>            Priority: Major
>              Labels: pull-request-available
>
> *Problem*
> While building Hadoop native code on the riscv64 architecture, the build 
> fails due to missing support for bswap operations. The standard 
> implementation relies on compiler intrinsics or platform-specific assembly 
> which are not defined for RISC-V targets.
> This results in compilation errors such as:
> * Error: unrecognized opcode `bswap a4'
> * Error: unrecognized opcode `bswap a3'
> *Resolution*
> Add bswap support for RISC-V.



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