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https://issues.apache.org/jira/browse/HADOOP-19047?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17811126#comment-17811126
]
ASF GitHub Bot commented on HADOOP-19047:
-----------------------------------------
hadoop-yetus commented on PR #6468:
URL: https://github.com/apache/hadoop/pull/6468#issuecomment-1911508281
:broken_heart: **-1 overall**
| Vote | Subsystem | Runtime | Logfile | Comment |
|:----:|----------:|--------:|:--------:|:-------:|
| +0 :ok: | reexec | 0m 49s | | 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.
|
| +0 :ok: | markdownlint | 0m 0s | | markdownlint was not available.
|
| +1 :green_heart: | @author | 0m 0s | | The patch does not contain
any @author tags. |
| +1 :green_heart: | test4tests | 0m 0s | | The patch appears to
include 3 new or modified test files. |
|||| _ trunk Compile Tests _ |
| +1 :green_heart: | mvninstall | 48m 33s | | trunk passed |
| +1 :green_heart: | compile | 0m 42s | | trunk passed with JDK
Ubuntu-11.0.21+9-post-Ubuntu-0ubuntu120.04 |
| +1 :green_heart: | compile | 0m 34s | | trunk passed with JDK
Private Build-1.8.0_392-8u392-ga-1~20.04-b08 |
| +1 :green_heart: | checkstyle | 0m 30s | | trunk passed |
| +1 :green_heart: | mvnsite | 0m 39s | | trunk passed |
| +1 :green_heart: | javadoc | 0m 27s | | trunk passed with JDK
Ubuntu-11.0.21+9-post-Ubuntu-0ubuntu120.04 |
| +1 :green_heart: | javadoc | 0m 32s | | trunk passed with JDK
Private Build-1.8.0_392-8u392-ga-1~20.04-b08 |
| +1 :green_heart: | spotbugs | 1m 9s | | trunk passed |
| +1 :green_heart: | shadedclient | 37m 22s | | branch has no errors
when building and testing our client artifacts. |
|||| _ Patch Compile Tests _ |
| +1 :green_heart: | mvninstall | 0m 29s | | the patch passed |
| +1 :green_heart: | compile | 0m 36s | | the patch passed with JDK
Ubuntu-11.0.21+9-post-Ubuntu-0ubuntu120.04 |
| +1 :green_heart: | javac | 0m 36s | | the patch passed |
| +1 :green_heart: | compile | 0m 26s | | the patch passed with JDK
Private Build-1.8.0_392-8u392-ga-1~20.04-b08 |
| +1 :green_heart: | javac | 0m 26s | | the patch passed |
| +1 :green_heart: | blanks | 0m 0s | | The patch has no blanks
issues. |
| -0 :warning: | checkstyle | 0m 20s |
[/results-checkstyle-hadoop-tools_hadoop-aws.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-6468/2/artifact/out/results-checkstyle-hadoop-tools_hadoop-aws.txt)
| hadoop-tools/hadoop-aws: The patch generated 12 new + 5 unchanged - 0 fixed
= 17 total (was 5) |
| +1 :green_heart: | mvnsite | 0m 30s | | the patch passed |
| +1 :green_heart: | javadoc | 0m 15s | | the patch passed with JDK
Ubuntu-11.0.21+9-post-Ubuntu-0ubuntu120.04 |
| -1 :x: | javadoc | 0m 24s |
[/patch-javadoc-hadoop-tools_hadoop-aws-jdkPrivateBuild-1.8.0_392-8u392-ga-1~20.04-b08.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-6468/2/artifact/out/patch-javadoc-hadoop-tools_hadoop-aws-jdkPrivateBuild-1.8.0_392-8u392-ga-1~20.04-b08.txt)
| hadoop-aws in the patch failed with JDK Private
Build-1.8.0_392-8u392-ga-1~20.04-b08. |
| -1 :x: | spotbugs | 1m 10s |
[/new-spotbugs-hadoop-tools_hadoop-aws.html](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-6468/2/artifact/out/new-spotbugs-hadoop-tools_hadoop-aws.html)
| hadoop-tools/hadoop-aws generated 3 new + 0 unchanged - 0 fixed = 3 total
(was 0) |
| +1 :green_heart: | shadedclient | 37m 49s | | patch has no errors
when building and testing our client artifacts. |
|||| _ Other Tests _ |
| -1 :x: | unit | 2m 54s |
[/patch-unit-hadoop-tools_hadoop-aws.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-6468/2/artifact/out/patch-unit-hadoop-tools_hadoop-aws.txt)
| hadoop-aws in the patch passed. |
| +1 :green_heart: | asflicense | 0m 33s | | The patch does not
generate ASF License warnings. |
| | | 140m 50s | | |
| Reason | Tests |
|-------:|:------|
| SpotBugs | module:hadoop-tools/hadoop-aws |
| |
org.apache.hadoop.fs.s3a.commit.magic.InMemoryMagicCommitTracker.taskAttemptIdToBytesWritten
isn't final but should be At InMemoryMagicCommitTracker.java:be At
InMemoryMagicCommitTracker.java:[line 52] |
| |
org.apache.hadoop.fs.s3a.commit.magic.InMemoryMagicCommitTracker.taskAttemptIdToMpuMetdadataMap
isn't final but should be At InMemoryMagicCommitTracker.java:be At
InMemoryMagicCommitTracker.java:[line 49] |
| |
org.apache.hadoop.fs.s3a.commit.magic.InMemoryMagicCommitTracker.taskAttemptIdToPath
isn't final but should be At InMemoryMagicCommitTracker.java:be At
InMemoryMagicCommitTracker.java:[line 55] |
| Failed junit tests | hadoop.fs.s3a.commit.TestMagicCommitTrackerUtils |
| Subsystem | Report/Notes |
|----------:|:-------------|
| Docker | ClientAPI=1.44 ServerAPI=1.44 base:
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-6468/2/artifact/out/Dockerfile
|
| GITHUB PR | https://github.com/apache/hadoop/pull/6468 |
| JIRA Issue | HADOOP-19047 |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall
mvnsite unit shadedclient spotbugs checkstyle codespell detsecrets markdownlint
|
| uname | Linux 9ff01a4a6fb0 5.15.0-88-generic #98-Ubuntu SMP Mon Oct 2
15:18:56 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | dev-support/bin/hadoop.sh |
| git revision | trunk / ac490027753bcd60ae7de8d6a7dee30db4056501 |
| Default Java | Private Build-1.8.0_392-8u392-ga-1~20.04-b08 |
| Multi-JDK versions |
/usr/lib/jvm/java-11-openjdk-amd64:Ubuntu-11.0.21+9-post-Ubuntu-0ubuntu120.04
/usr/lib/jvm/java-8-openjdk-amd64:Private Build-1.8.0_392-8u392-ga-1~20.04-b08 |
| Test Results |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-6468/2/testReport/ |
| Max. process+thread count | 528 (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-6468/2/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.
> Support InMemory Tracking Of S3A Magic Commits
> ----------------------------------------------
>
> Key: HADOOP-19047
> URL: https://issues.apache.org/jira/browse/HADOOP-19047
> Project: Hadoop Common
> Issue Type: Improvement
> Components: fs/s3
> Reporter: Syed Shameerur Rahman
> Assignee: Syed Shameerur Rahman
> Priority: Major
> Labels: pull-request-available
>
> The following are the operations which happens within a Task when it uses S3A
> Magic Committer.
> *During closing of stream*
> 1. A 0-byte file with a same name of the original file is uploaded to S3
> using PUT operation. Refer
> [here|https://github.com/apache/hadoop/blob/trunk/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/commit/magic/MagicCommitTracker.java#L152]
> for more information. This is done so that the downstream application like
> Spark could get the size of the file which is being written.
> 2. MultiPartUpload(MPU) metadata is uploaded to S3. Refer
> [here|https://github.com/apache/hadoop/blob/trunk/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/commit/magic/MagicCommitTracker.java#L176]
> for more information.
> *During TaskCommit*
> 1. All the MPU metadata which the task wrote to S3 (There will be 'x' number
> of metadata file in S3 if a single task writes to 'x' files) are read and
> rewritten to S3 as a single metadata file. Refer
> [here|https://github.com/apache/hadoop/blob/trunk/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/commit/magic/MagicS3GuardCommitter.java#L201]
> for more information
> Since these operations happens with the Task JVM, We could optimize as well
> as save cost by storing these information in memory when Task memory usage is
> not a constraint. Hence the proposal here is to introduce a new MagicCommit
> Tracker called "InMemoryMagicCommitTracker" which will store the
> 1. Metadata of MPU in memory till the Task is committed
> 2. Store the size of the file which can be used by the downstream application
> to get the file size before it is committed/visible to the output path.
> This optimization will save 2 PUT S3 calls, 1 LIST S3 call, and 1 GET S3 call
> given a Task writes only 1 file.
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