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https://issues.apache.org/jira/browse/HADOOP-18106?focusedWorklogId=781898&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-781898
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ASF GitHub Bot logged work on HADOOP-18106:
-------------------------------------------
Author: ASF GitHub Bot
Created on: 16/Jun/22 02:51
Start Date: 16/Jun/22 02:51
Worklog Time Spent: 10m
Work Description: hadoop-yetus commented on PR #4445:
URL: https://github.com/apache/hadoop/pull/4445#issuecomment-1157173467
:confetti_ball: **+1 overall**
| Vote | Subsystem | Runtime | Logfile | Comment |
|:----:|----------:|--------:|:--------:|:-------:|
| +0 :ok: | reexec | 0m 41s | | 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: | detsecrets | 0m 0s | | detect-secrets 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 7 new or modified test files. |
|||| _ feature-vectored-io Compile Tests _ |
| +0 :ok: | mvndep | 14m 51s | | Maven dependency ordering for branch |
| +1 :green_heart: | mvninstall | 25m 14s | | feature-vectored-io
passed |
| +1 :green_heart: | compile | 22m 58s | | feature-vectored-io passed
with JDK Private Build-11.0.15+10-Ubuntu-0ubuntu0.20.04.1 |
| +1 :green_heart: | compile | 20m 38s | | feature-vectored-io passed
with JDK Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| +1 :green_heart: | checkstyle | 5m 0s | | feature-vectored-io
passed |
| +1 :green_heart: | mvnsite | 5m 4s | | feature-vectored-io passed |
| +1 :green_heart: | javadoc | 4m 8s | | feature-vectored-io passed
with JDK Private Build-11.0.15+10-Ubuntu-0ubuntu0.20.04.1 |
| +1 :green_heart: | javadoc | 3m 55s | | feature-vectored-io passed
with JDK Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| +1 :green_heart: | spotbugs | 6m 29s | | feature-vectored-io passed
|
| +1 :green_heart: | shadedclient | 21m 40s | | branch has no errors
when building and testing our client artifacts. |
| -0 :warning: | patch | 22m 12s | | Used diff version of patch file.
Binary files and potentially other changes not applied. Please rebase and
squash commits if necessary. |
|||| _ Patch Compile Tests _ |
| +0 :ok: | mvndep | 0m 29s | | Maven dependency ordering for patch |
| +1 :green_heart: | mvninstall | 2m 31s | | the patch passed |
| +1 :green_heart: | compile | 22m 14s | | the patch passed with JDK
Private Build-11.0.15+10-Ubuntu-0ubuntu0.20.04.1 |
| +1 :green_heart: | javac | 22m 14s | |
root-jdkPrivateBuild-11.0.15+10-Ubuntu-0ubuntu0.20.04.1 with JDK Private
Build-11.0.15+10-Ubuntu-0ubuntu0.20.04.1 generated 0 new + 2892 unchanged - 3
fixed = 2892 total (was 2895) |
| +1 :green_heart: | compile | 20m 31s | | the patch passed with JDK
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| +1 :green_heart: | javac | 20m 31s | |
root-jdkPrivateBuild-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 with JDK Private
Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 generated 0 new + 2689 unchanged -
3 fixed = 2689 total (was 2692) |
| +1 :green_heart: | blanks | 0m 0s | | The patch has no blanks
issues. |
| -0 :warning: | checkstyle | 4m 15s |
[/results-checkstyle-root.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4445/1/artifact/out/results-checkstyle-root.txt)
| root: The patch generated 6 new + 71 unchanged - 0 fixed = 77 total (was
71) |
| +1 :green_heart: | mvnsite | 5m 1s | | the patch passed |
| +1 :green_heart: | javadoc | 4m 9s | | the patch passed with JDK
Private Build-11.0.15+10-Ubuntu-0ubuntu0.20.04.1 |
| +1 :green_heart: | javadoc | 3m 53s | | the patch passed with JDK
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| +1 :green_heart: | spotbugs | 6m 44s | | the patch passed |
| +1 :green_heart: | shadedclient | 22m 4s | | patch has no errors
when building and testing our client artifacts. |
|||| _ Other Tests _ |
| +1 :green_heart: | unit | 18m 33s | | hadoop-common in the patch
passed. |
| +1 :green_heart: | unit | 3m 8s | | hadoop-aws in the patch passed.
|
| +1 :green_heart: | unit | 1m 17s | | hadoop-benchmark in the patch
passed. |
| +1 :green_heart: | asflicense | 1m 40s | | The patch does not
generate ASF License warnings. |
| | | 253m 29s | | |
| Subsystem | Report/Notes |
|----------:|:-------------|
| Docker | ClientAPI=1.41 ServerAPI=1.41 base:
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4445/1/artifact/out/Dockerfile
|
| GITHUB PR | https://github.com/apache/hadoop/pull/4445 |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall
mvnsite unit shadedclient spotbugs checkstyle codespell detsecrets |
| uname | Linux 91b23320c168 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 | feature-vectored-io /
2db705af1877107256aa155069da3500bfdd9ba3 |
| Default Java | Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| Multi-JDK versions | /usr/lib/jvm/java-11-openjdk-amd64:Private
Build-11.0.15+10-Ubuntu-0ubuntu0.20.04.1
/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-4445/1/testReport/ |
| Max. process+thread count | 1296 (vs. ulimit of 5500) |
| modules | C: hadoop-common-project/hadoop-common hadoop-tools/hadoop-aws
hadoop-tools/hadoop-benchmark U: . |
| Console output |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4445/1/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.
Issue Time Tracking
-------------------
Worklog Id: (was: 781898)
Time Spent: 2h 10m (was: 2h)
> Handle memory fragmentation in S3 Vectored IO implementation.
> -------------------------------------------------------------
>
> Key: HADOOP-18106
> URL: https://issues.apache.org/jira/browse/HADOOP-18106
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Reporter: Mukund Thakur
> Assignee: Mukund Thakur
> Priority: Major
> Labels: pull-request-available
> Time Spent: 2h 10m
> Remaining Estimate: 0h
>
> As we have implemented merging of ranges in the S3AInputStream implementation
> of vectored IO api, it can lead to memory fragmentation. Let me explain by
> example.
>
> Suppose client requests for 3 ranges.
> 0-500, 700-1000 and 1200-1500.
> Now because of merging, all the above ranges will get merged into one and we
> will allocate a big byte buffer of 0-1500 size but return sliced byte buffers
> for the desired ranges.
> Now once the client is done reading all the ranges, it will only be able to
> free the memory for requested ranges and memory of the gaps will never be
> released for eg here (500-700 and 1000-1200).
>
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