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https://issues.apache.org/jira/browse/HADOOP-15224?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17927626#comment-17927626
 ] 

ASF GitHub Bot commented on HADOOP-15224:
-----------------------------------------

hadoop-yetus commented on PR #7393:
URL: https://github.com/apache/hadoop/pull/7393#issuecomment-2662307777

   :broken_heart: **-1 overall**
   
   
   
   
   
   
   | Vote | Subsystem | Runtime |  Logfile | Comment |
   |:----:|----------:|--------:|:--------:|:-------:|
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   |||| _ Prechecks _ |
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   | +0 :ok: |  markdownlint  |   0m  0s |  |  markdownlint was not available.  
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   | +1 :green_heart: |  @author  |   0m  0s |  |  The patch does not contain 
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   | +1 :green_heart: |  test4tests  |   0m  0s |  |  The patch appears to 
include 9 new or modified test files.  |
   |||| _ trunk Compile Tests _ |
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Ubuntu-11.0.26+4-post-Ubuntu-1ubuntu120.04  |
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Private Build-1.8.0_442-8u442-b06~us1-0ubuntu1~20.04-b06  |
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when building and testing our client artifacts.  |
   |||| _ Patch Compile Tests _ |
   | +1 :green_heart: |  mvninstall  |   0m 21s |  |  the patch passed  |
   | +1 :green_heart: |  compile  |   0m 22s |  |  the patch passed with JDK 
Ubuntu-11.0.26+4-post-Ubuntu-1ubuntu120.04  |
   | +1 :green_heart: |  javac  |   0m 22s |  |  the patch passed  |
   | +1 :green_heart: |  compile  |   0m 17s |  |  the patch passed with JDK 
Private Build-1.8.0_442-8u442-b06~us1-0ubuntu1~20.04-b06  |
   | +1 :green_heart: |  javac  |   0m 17s |  |  the patch passed  |
   | -1 :x: |  blanks  |   0m  0s | 
[/blanks-eol.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7393/1/artifact/out/blanks-eol.txt)
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<<patch_file>>. Refer https://git-scm.com/docs/git-apply  |
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Ubuntu-11.0.26+4-post-Ubuntu-1ubuntu120.04  |
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Private Build-1.8.0_442-8u442-b06~us1-0ubuntu1~20.04-b06  |
   | -1 :x: |  spotbugs  |   0m 41s | 
[/new-spotbugs-hadoop-tools_hadoop-aws.html](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7393/1/artifact/out/new-spotbugs-hadoop-tools_hadoop-aws.html)
 |  hadoop-tools/hadoop-aws generated 1 new + 0 unchanged - 0 fixed = 1 total 
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   |||| _ Other Tests _ |
   | +1 :green_heart: |  unit  |   2m 35s |  |  hadoop-aws in the patch passed. 
 |
   | +1 :green_heart: |  asflicense  |   0m 25s |  |  The patch does not 
generate ASF License warnings.  |
   |  |   |  80m  1s |  |  |
   
   
   | Reason | Tests |
   |-------:|:------|
   | SpotBugs | module:hadoop-tools/hadoop-aws |
   |  |  Class org.apache.hadoop.fs.s3a.commit.files.SinglePendingCommit 
defines non-transient non-serializable instance field etags  In 
SinglePendingCommit.java:instance field etags  In SinglePendingCommit.java |
   
   
   | Subsystem | Report/Notes |
   |----------:|:-------------|
   | Docker | ClientAPI=1.47 ServerAPI=1.47 base: 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7393/1/artifact/out/Dockerfile
 |
   | GITHUB PR | https://github.com/apache/hadoop/pull/7393 |
   | Optional Tests | dupname asflicense compile javac javadoc mvninstall 
mvnsite unit shadedclient spotbugs checkstyle codespell detsecrets markdownlint 
|
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   | Build tool | maven |
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/usr/lib/jvm/java-8-openjdk-amd64:Private 
Build-1.8.0_442-8u442-b06~us1-0ubuntu1~20.04-b06 |
   |  Test Results | 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7393/1/testReport/ |
   | Max. process+thread count | 565 (vs. ulimit of 5500) |
   | modules | C: hadoop-tools/hadoop-aws U: hadoop-tools/hadoop-aws |
   | Console output | 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7393/1/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.
   
   




> builld up md5 checksum as blocks are built in S3ABlockOutputStream; validate 
> upload
> -----------------------------------------------------------------------------------
>
>                 Key: HADOOP-15224
>                 URL: https://issues.apache.org/jira/browse/HADOOP-15224
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/s3
>    Affects Versions: 3.0.0
>            Reporter: Steve Loughran
>            Assignee: Raphael Azzolini
>            Priority: Minor
>              Labels: pull-request-available
>
> [~rdblue] reports sometimes he sees corrupt data on S3. Given MD5 checks from 
> upload to S3, its likelier to have happened in VM RAM, HDD or nearby.
> If the MD5 checksum for each block was built up as data was written to it, 
> and checked against the etag RAM/HDD storage of the saved blocks could be 
> removed as sources of corruption
> The obvious place would be 
> {{org.apache.hadoop.fs.s3a.S3ADataBlocks.DataBlock}}



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