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https://issues.apache.org/jira/browse/HADOOP-19158?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17840990#comment-17840990
 ] 

ASF GitHub Bot commented on HADOOP-19158:
-----------------------------------------

hadoop-yetus commented on PR #6773:
URL: https://github.com/apache/hadoop/pull/6773#issuecomment-2078254536

   :broken_heart: **-1 overall**
   
   
   
   
   
   
   | Vote | Subsystem | Runtime |  Logfile | Comment |
   |:----:|----------:|--------:|:--------:|:-------:|
   | +0 :ok: |  reexec  |   0m 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 _ |
   | +0 :ok: |  mvndep  |  15m  2s |  |  Maven dependency ordering for branch  |
   | +1 :green_heart: |  mvninstall  |  31m 48s |  |  trunk passed  |
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Ubuntu-11.0.22+7-post-Ubuntu-0ubuntu220.04.1  |
   | +1 :green_heart: |  compile  |  16m 17s |  |  trunk passed with JDK 
Private Build-1.8.0_402-8u402-ga-2ubuntu1~20.04-b06  |
   | +1 :green_heart: |  checkstyle  |   4m 18s |  |  trunk passed  |
   | +1 :green_heart: |  mvnsite  |   2m 38s |  |  trunk passed  |
   | +1 :green_heart: |  javadoc  |   1m 55s |  |  trunk passed with JDK 
Ubuntu-11.0.22+7-post-Ubuntu-0ubuntu220.04.1  |
   | +1 :green_heart: |  javadoc  |   1m 45s |  |  trunk passed with JDK 
Private Build-1.8.0_402-8u402-ga-2ubuntu1~20.04-b06  |
   | +1 :green_heart: |  spotbugs  |   3m 55s |  |  trunk passed  |
   | +1 :green_heart: |  shadedclient  |  34m 20s |  |  branch has no errors 
when building and testing our client artifacts.  |
   |||| _ Patch Compile Tests _ |
   | +0 :ok: |  mvndep  |   0m 34s |  |  Maven dependency ordering for patch  |
   | +1 :green_heart: |  mvninstall  |   1m 28s |  |  the patch passed  |
   | +1 :green_heart: |  compile  |  16m 49s |  |  the patch passed with JDK 
Ubuntu-11.0.22+7-post-Ubuntu-0ubuntu220.04.1  |
   | +1 :green_heart: |  javac  |  16m 49s |  |  the patch passed  |
   | +1 :green_heart: |  compile  |  16m 19s |  |  the patch passed with JDK 
Private Build-1.8.0_402-8u402-ga-2ubuntu1~20.04-b06  |
   | +1 :green_heart: |  javac  |  16m 19s |  |  the patch passed  |
   | +1 :green_heart: |  blanks  |   0m  0s |  |  The patch has no blanks 
issues.  |
   | +1 :green_heart: |  checkstyle  |   4m 14s |  |  the patch passed  |
   | +1 :green_heart: |  mvnsite  |   2m 38s |  |  the patch passed  |
   | +1 :green_heart: |  javadoc  |   1m 52s |  |  the patch passed with JDK 
Ubuntu-11.0.22+7-post-Ubuntu-0ubuntu220.04.1  |
   | +1 :green_heart: |  javadoc  |   1m 40s |  |  the patch passed with JDK 
Private Build-1.8.0_402-8u402-ga-2ubuntu1~20.04-b06  |
   | +1 :green_heart: |  spotbugs  |   4m 16s |  |  the patch passed  |
   | +1 :green_heart: |  shadedclient  |  34m 41s |  |  patch has no errors 
when building and testing our client artifacts.  |
   |||| _ Other Tests _ |
   | +1 :green_heart: |  unit  |  19m 37s |  |  hadoop-common in the patch 
passed.  |
   | +1 :green_heart: |  unit  |   3m 16s |  |  hadoop-aws in the patch passed. 
 |
   | +1 :green_heart: |  asflicense  |   1m  6s |  |  The patch does not 
generate ASF License warnings.  |
   |  |   | 246m 12s |  |  |
   
   
   | Subsystem | Report/Notes |
   |----------:|:-------------|
   | Docker | ClientAPI=1.45 ServerAPI=1.45 base: 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-6773/1/artifact/out/Dockerfile
 |
   | GITHUB PR | https://github.com/apache/hadoop/pull/6773 |
   | Optional Tests | dupname asflicense compile javac javadoc mvninstall 
mvnsite unit shadedclient spotbugs checkstyle codespell detsecrets |
   | uname | Linux 981a65420e64 5.15.0-94-generic #104-Ubuntu SMP Tue Jan 9 
15:25:40 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux |
   | Build tool | maven |
   | Personality | dev-support/bin/hadoop.sh |
   | git revision | trunk / 54f54eaa19f0ed3631cea3e145ca8193c93bad2c |
   | Default Java | Private Build-1.8.0_402-8u402-ga-2ubuntu1~20.04-b06 |
   | Multi-JDK versions | 
/usr/lib/jvm/java-11-openjdk-amd64:Ubuntu-11.0.22+7-post-Ubuntu-0ubuntu220.04.1 
/usr/lib/jvm/java-8-openjdk-amd64:Private 
Build-1.8.0_402-8u402-ga-2ubuntu1~20.04-b06 |
   |  Test Results | 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-6773/1/testReport/ |
   | Max. process+thread count | 1254 (vs. ulimit of 5500) |
   | modules | C: hadoop-common-project/hadoop-common hadoop-tools/hadoop-aws 
U: . |
   | Console output | 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-6773/1/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.
   
   




> S3A: Support ByteBufferPositionedReadable through vector IO
> -----------------------------------------------------------
>
>                 Key: HADOOP-19158
>                 URL: https://issues.apache.org/jira/browse/HADOOP-19158
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs, fs/s3
>    Affects Versions: 3.4.0
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>            Priority: Major
>              Labels: pull-request-available
>
> Make it easy for any stream with vector io to support 
> {{ByteBufferPositionedReadable}}
> Specifically, {{ByteBufferPositionedReadable.readFully()}}
> is exactly a single range read so is easy to read.
> the simpler read() call which can return less isn't part of the vector API.
> Proposed: invoke the readFully() but convert an EOFException to -1 



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