[
https://issues.apache.org/jira/browse/HADOOP-18028?focusedWorklogId=747918&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-747918
]
ASF GitHub Bot logged work on HADOOP-18028:
-------------------------------------------
Author: ASF GitHub Bot
Created on: 25/Mar/22 18:11
Start Date: 25/Mar/22 18:11
Worklog Time Spent: 10m
Work Description: hadoop-yetus removed a comment on pull request #3736:
URL: https://github.com/apache/hadoop/pull/3736#issuecomment-1026648916
:confetti_ball: **+1 overall**
| Vote | Subsystem | Runtime | Logfile | Comment |
|:----:|----------:|--------:|:--------:|:-------:|
| +0 :ok: | reexec | 0m 45s | | Docker mode activated. |
|||| _ Prechecks _ |
| +1 :green_heart: | dupname | 0m 1s | | No case conflicting files
found. |
| +0 :ok: | codespell | 0m 0s | | codespell 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 21 new or modified test files. |
|||| _ trunk Compile Tests _ |
| +1 :green_heart: | mvninstall | 33m 48s | | trunk passed |
| +1 :green_heart: | compile | 0m 40s | | trunk passed with JDK
Ubuntu-11.0.13+8-Ubuntu-0ubuntu1.20.04 |
| +1 :green_heart: | compile | 0m 37s | | trunk passed with JDK
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| +1 :green_heart: | checkstyle | 0m 27s | | trunk passed |
| +1 :green_heart: | mvnsite | 0m 44s | | trunk passed |
| +1 :green_heart: | javadoc | 0m 25s | | trunk passed with JDK
Ubuntu-11.0.13+8-Ubuntu-0ubuntu1.20.04 |
| +1 :green_heart: | javadoc | 0m 34s | | trunk passed with JDK
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| +1 :green_heart: | spotbugs | 1m 7s | | trunk passed |
| +1 :green_heart: | shadedclient | 23m 17s | | branch has no errors
when building and testing our client artifacts. |
| -0 :warning: | patch | 23m 38s | | Used diff version of patch file.
Binary files and potentially other changes not applied. Please rebase and
squash commits if necessary. |
|||| _ Patch Compile Tests _ |
| +1 :green_heart: | mvninstall | 0m 51s | | the patch passed |
| +1 :green_heart: | compile | 0m 48s | | the patch passed with JDK
Ubuntu-11.0.13+8-Ubuntu-0ubuntu1.20.04 |
| +1 :green_heart: | javac | 0m 48s | | the patch passed |
| +1 :green_heart: | compile | 0m 35s | | the patch passed with JDK
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| +1 :green_heart: | javac | 0m 35s | | the patch passed |
| +1 :green_heart: | blanks | 0m 0s | | The patch has no blanks
issues. |
| -0 :warning: | checkstyle | 0m 22s |
[/results-checkstyle-hadoop-tools_hadoop-aws.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3736/21/artifact/out/results-checkstyle-hadoop-tools_hadoop-aws.txt)
| hadoop-tools/hadoop-aws: The patch generated 2 new + 5 unchanged - 2 fixed
= 7 total (was 7) |
| +1 :green_heart: | mvnsite | 0m 43s | | the patch passed |
| +1 :green_heart: | xml | 0m 2s | | The patch has no ill-formed XML
file. |
| +1 :green_heart: | javadoc | 0m 20s | | the patch passed with JDK
Ubuntu-11.0.13+8-Ubuntu-0ubuntu1.20.04 |
| +1 :green_heart: | javadoc | 0m 30s | | the patch passed with JDK
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| +1 :green_heart: | spotbugs | 1m 26s | | the patch passed |
| +1 :green_heart: | shadedclient | 26m 28s | | patch has no errors
when building and testing our client artifacts. |
|||| _ Other Tests _ |
| +1 :green_heart: | unit | 2m 36s | | hadoop-aws in the patch passed.
|
| +1 :green_heart: | asflicense | 0m 36s | | The patch does not
generate ASF License warnings. |
| | | 98m 38s | | |
| Subsystem | Report/Notes |
|----------:|:-------------|
| Docker | ClientAPI=1.41 ServerAPI=1.41 base:
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3736/21/artifact/out/Dockerfile
|
| GITHUB PR | https://github.com/apache/hadoop/pull/3736 |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall
mvnsite unit shadedclient codespell xml spotbugs checkstyle markdownlint |
| uname | Linux 5ae2d1e7c1db 4.15.0-58-generic #64-Ubuntu SMP Tue Aug 6
11:12:41 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | dev-support/bin/hadoop.sh |
| git revision | trunk / 7f80c5fca27e050a0e854a885e78320aef7ad224 |
| Default Java | Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| Multi-JDK versions |
/usr/lib/jvm/java-11-openjdk-amd64:Ubuntu-11.0.13+8-Ubuntu-0ubuntu1.20.04
/usr/lib/jvm/java-8-openjdk-amd64:Private
Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| Test Results |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3736/21/testReport/ |
| Max. process+thread count | 699 (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-3736/21/console |
| versions | git=2.25.1 maven=3.6.3 spotbugs=4.2.2 |
| Powered by | Apache Yetus 0.14.0-SNAPSHOT https://yetus.apache.org |
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Issue Time Tracking
-------------------
Worklog Id: (was: 747918)
Time Spent: 11h 40m (was: 11.5h)
> improve S3 read speed using prefetching & caching
> -------------------------------------------------
>
> Key: HADOOP-18028
> URL: https://issues.apache.org/jira/browse/HADOOP-18028
> Project: Hadoop Common
> Issue Type: Improvement
> Components: fs/s3
> Reporter: Bhalchandra Pandit
> Priority: Major
> Labels: pull-request-available
> Time Spent: 11h 40m
> Remaining Estimate: 0h
>
> I work for Pinterest. I developed a technique for vastly improving read
> throughput when reading from the S3 file system. It not only helps the
> sequential read case (like reading a SequenceFile) but also significantly
> improves read throughput of a random access case (like reading Parquet). This
> technique has been very useful in significantly improving efficiency of the
> data processing jobs at Pinterest.
>
> I would like to contribute that feature to Apache Hadoop. More details on
> this technique are available in this blog I wrote recently:
> [https://medium.com/pinterest-engineering/improving-efficiency-and-reducing-runtime-using-s3-read-optimization-b31da4b60fa0]
>
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