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https://issues.apache.org/jira/browse/HADOOP-16848?focusedWorklogId=490089&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-490089
 ]

ASF GitHub Bot logged work on HADOOP-16848:
-------------------------------------------

                Author: ASF GitHub Bot
            Created on: 24/Sep/20 09:24
            Start Date: 24/Sep/20 09:24
    Worklog Time Spent: 10m 
      Work Description: hadoop-yetus removed a comment on pull request #1839:
URL: https://github.com/apache/hadoop/pull/1839#issuecomment-697596737


   :broken_heart: **-1 overall**
   
   
   
   
   
   
   | Vote | Subsystem | Runtime |  Logfile | Comment |
   |:----:|----------:|--------:|:--------:|:-------:|
   | +0 :ok: |  reexec  |   0m 25s |  |  Docker mode activated.  |
   |||| _ Prechecks _ |
   | +1 :green_heart: |  dupname  |   0m  0s |  |  No case conflicting files 
found.  |
   | +1 :green_heart: |  @author  |   0m  0s |  |  The patch does not contain 
any @author tags.  |
   | +1 :green_heart: |   |   0m  0s | [test4tests](test4tests) |  The patch 
appears to include 4 new or modified test files.  |
   |||| _ trunk Compile Tests _ |
   | +0 :ok: |  mvndep  |   3m 21s |  |  Maven dependency ordering for branch  |
   | +1 :green_heart: |  mvninstall  |  30m 57s |  |  trunk passed  |
   | +1 :green_heart: |  compile  |  24m 28s |  |  trunk passed with JDK 
Ubuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1  |
   | +1 :green_heart: |  compile  |  20m 37s |  |  trunk passed with JDK 
Private Build-1.8.0_265-8u265-b01-0ubuntu2~18.04-b01  |
   | +1 :green_heart: |  checkstyle  |   3m  8s |  |  trunk passed  |
   | +1 :green_heart: |  mvnsite  |   2m 16s |  |  trunk passed  |
   | +1 :green_heart: |  shadedclient  |  23m 10s |  |  branch has no errors 
when building and testing our client artifacts.  |
   | +1 :green_heart: |  javadoc  |   0m 55s |  |  trunk passed with JDK 
Ubuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1  |
   | +1 :green_heart: |  javadoc  |   2m  4s |  |  trunk passed with JDK 
Private Build-1.8.0_265-8u265-b01-0ubuntu2~18.04-b01  |
   | +0 :ok: |  spotbugs  |   1m 22s |  |  Used deprecated FindBugs config; 
considering switching to SpotBugs.  |
   | +1 :green_heart: |  findbugs  |   3m 54s |  |  trunk passed  |
   |||| _ Patch Compile Tests _ |
   | +0 :ok: |  mvndep  |   0m 27s |  |  Maven dependency ordering for patch  |
   | +1 :green_heart: |  mvninstall  |   1m 33s |  |  the patch passed  |
   | +1 :green_heart: |  compile  |  23m 26s |  |  the patch passed with JDK 
Ubuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1  |
   | +1 :green_heart: |  javac  |  23m 26s |  |  the patch passed  |
   | +1 :green_heart: |  compile  |  20m  0s |  |  the patch passed with JDK 
Private Build-1.8.0_265-8u265-b01-0ubuntu2~18.04-b01  |
   | +1 :green_heart: |  javac  |  20m  0s |  |  the patch passed  |
   | -0 :warning: |  checkstyle  |   2m 56s | 
[/diff-checkstyle-root.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-1839/2/artifact/out/diff-checkstyle-root.txt)
 |  root: The patch generated 33 new + 43 unchanged - 0 fixed = 76 total (was 
43)  |
   | +1 :green_heart: |  mvnsite  |   2m  6s |  |  the patch passed  |
   | +1 :green_heart: |  whitespace  |   0m  0s |  |  The patch has no 
whitespace issues.  |
   | +1 :green_heart: |  shadedclient  |  16m  0s |  |  patch has no errors 
when building and testing our client artifacts.  |
   | +1 :green_heart: |  javadoc  |   0m 53s |  |  the patch passed with JDK 
Ubuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1  |
   | +1 :green_heart: |  javadoc  |   2m 21s |  |  the patch passed with JDK 
Private Build-1.8.0_265-8u265-b01-0ubuntu2~18.04-b01  |
   | -1 :x: |  findbugs  |   1m 29s | 
[/new-findbugs-hadoop-tools_hadoop-aws.html](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-1839/2/artifact/out/new-findbugs-hadoop-tools_hadoop-aws.html)
 |  hadoop-tools/hadoop-aws generated 7 new + 0 unchanged - 0 fixed = 7 total 
(was 0)  |
   |||| _ Other Tests _ |
   | +1 :green_heart: |  unit  |  10m  3s |  |  hadoop-common in the patch 
passed.  |
   | -1 :x: |  unit  |   1m 28s | 
[/patch-unit-hadoop-tools_hadoop-aws.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-1839/2/artifact/out/patch-unit-hadoop-tools_hadoop-aws.txt)
 |  hadoop-aws in the patch passed.  |
   | +1 :green_heart: |  asflicense  |   0m 50s |  |  The patch does not 
generate ASF License warnings.  |
   |  |   | 200m 45s |  |  |
   
   
   | Reason | Tests |
   |-------:|:------|
   | FindBugs | module:hadoop-tools/hadoop-aws |
   |  |  Dead store to launch in 
org.apache.hadoop.fs.s3a.S3AFileSystem.asyncLaunchStore()  At 
S3AFileSystem.java:org.apache.hadoop.fs.s3a.S3AFileSystem.asyncLaunchStore()  
At S3AFileSystem.java:[line 4819] |
   |  |  Inconsistent synchronization of 
org.apache.hadoop.fs.s3a.S3AFileSystem.signerManager; locked 66% of time  
Unsynchronized access at S3AFileSystem.java:66% of time  Unsynchronized access 
at S3AFileSystem.java:[line 4791] |
   |  |  Unread field:S3AStoreImpl.java:[line 64] |
   |  |  Unread field:S3AStoreImpl.java:[line 65] |
   |  |  Unread field:S3AStoreImpl.java:[line 61] |
   |  |  Unread field:S3AStoreImpl.java:[line 62] |
   |  |  Unread field:S3AStoreImpl.java:[line 63] |
   | Failed junit tests | 
hadoop.fs.s3a.commit.staging.TestStagingPartitionedTaskCommit |
   |   | hadoop.fs.s3a.TestS3AUnbuffer |
   |   | hadoop.fs.s3a.commit.staging.TestStagingPartitionedJobCommit |
   |   | hadoop.fs.s3a.TestListing |
   |   | hadoop.fs.s3a.commit.staging.TestStagingCommitter |
   |   | hadoop.fs.s3a.TestS3AGetFileStatus |
   |   | hadoop.fs.s3a.commit.staging.TestDirectoryCommitterScale |
   |   | hadoop.fs.s3a.TestS3ABlockOutputStream |
   |   | hadoop.fs.s3a.commit.staging.TestStagingDirectoryOutputCommitter |
   |   | hadoop.fs.s3a.s3guard.TestObjectChangeDetectionAttributes |
   
   
   | Subsystem | Report/Notes |
   |----------:|:-------------|
   | Docker | ClientAPI=1.40 ServerAPI=1.40 base: 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-1839/2/artifact/out/Dockerfile
 |
   | GITHUB PR | https://github.com/apache/hadoop/pull/1839 |
   | Optional Tests | dupname asflicense compile javac javadoc mvninstall 
mvnsite unit shadedclient findbugs checkstyle |
   | uname | Linux e206b2b01b60 4.15.0-112-generic #113-Ubuntu SMP Thu Jul 9 
23:41:39 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux |
   | Build tool | maven |
   | Personality | dev-support/bin/hadoop.sh |
   | git revision | trunk / 18f9d77c46f |
   | Default Java | Private Build-1.8.0_265-8u265-b01-0ubuntu2~18.04-b01 |
   | Multi-JDK versions | 
/usr/lib/jvm/java-11-openjdk-amd64:Ubuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1 
/usr/lib/jvm/java-8-openjdk-amd64:Private 
Build-1.8.0_265-8u265-b01-0ubuntu2~18.04-b01 |
   |  Test Results | 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-1839/2/testReport/ |
   | Max. process+thread count | 3233 (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-1839/2/console |
   | versions | git=2.17.1 maven=3.6.0 findbugs=4.0.6 |
   | Powered by | Apache Yetus 0.13.0-SNAPSHOT https://yetus.apache.org |
   
   
   This message was automatically generated.
   
   


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

    Worklog Id:     (was: 490089)
    Time Spent: 40m  (was: 0.5h)

> add initial S3A layering + async init
> -------------------------------------
>
>                 Key: HADOOP-16848
>                 URL: https://issues.apache.org/jira/browse/HADOOP-16848
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/s3
>    Affects Versions: 3.3.0
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 40m
>  Remaining Estimate: 0h
>
> Split the S3A code into layers
> * S3AFileSystem
> * S3AStore + Impl
> * RawS3A + Impl
> S3AFS will create the others and start in order: DelegationTokens, RawS3A, 
> S3AStore, Metastore
> this will involve wrapping all access of DTs, s3client, Metastore to block 
> until that layer is complete, or raise an exception if instantiation of 
> it/predecessor failed.
> New layers will all be subclasses of Service, split into Interface and Impl, 
> so we can manage the init/start/stop lifecycle with existing code



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