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https://issues.apache.org/jira/browse/HADOOP-11867?focusedWorklogId=716858&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-716858
]
ASF GitHub Bot logged work on HADOOP-11867:
-------------------------------------------
Author: ASF GitHub Bot
Created on: 28/Jan/22 03:34
Start Date: 28/Jan/22 03:34
Worklog Time Spent: 10m
Work Description: hadoop-yetus commented on pull request #3904:
URL: https://github.com/apache/hadoop/pull/3904#issuecomment-1023854948
:broken_heart: **-1 overall**
| Vote | Subsystem | Runtime | Logfile | Comment |
|:----:|----------:|--------:|:--------:|:-------:|
| +0 :ok: | reexec | 0m 44s | | Docker mode activated. |
|||| _ Prechecks _ |
| +1 :green_heart: | dupname | 0m 1s | | No case conflicting files
found. |
| +0 :ok: | codespell | 0m 1s | | codespell was not available. |
| +0 :ok: | shelldocs | 0m 1s | | Shelldocs 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 8 new or modified test files. |
|||| _ feature-vectored-io Compile Tests _ |
| +0 :ok: | mvndep | 13m 7s | | Maven dependency ordering for branch |
| +1 :green_heart: | mvninstall | 24m 37s | | feature-vectored-io
passed |
| +1 :green_heart: | compile | 26m 10s | | feature-vectored-io passed
with JDK Ubuntu-11.0.13+8-Ubuntu-0ubuntu1.20.04 |
| +1 :green_heart: | compile | 21m 16s | | feature-vectored-io passed
with JDK Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| +1 :green_heart: | checkstyle | 3m 41s | | feature-vectored-io
passed |
| +1 :green_heart: | mvnsite | 27m 27s | | feature-vectored-io passed |
| +1 :green_heart: | javadoc | 8m 34s | | feature-vectored-io passed
with JDK Ubuntu-11.0.13+8-Ubuntu-0ubuntu1.20.04 |
| +1 :green_heart: | javadoc | 8m 32s | | feature-vectored-io passed
with JDK Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| +0 :ok: | spotbugs | 0m 21s | | branch/hadoop-project no spotbugs
output file (spotbugsXml.xml) |
| +1 :green_heart: | shadedclient | 55m 25s | | branch has no errors
when building and testing our client artifacts. |
| -0 :warning: | patch | 55m 47s | | 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 48s | | Maven dependency ordering for patch |
| +1 :green_heart: | mvninstall | 29m 48s | | the patch passed |
| +1 :green_heart: | compile | 23m 59s | | the patch passed with JDK
Ubuntu-11.0.13+8-Ubuntu-0ubuntu1.20.04 |
| +1 :green_heart: | javac | 23m 59s | | the patch passed |
| +1 :green_heart: | compile | 21m 11s | | the patch passed with JDK
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| +1 :green_heart: | javac | 21m 11s | | the patch passed |
| +1 :green_heart: | blanks | 0m 0s | | The patch has no blanks
issues. |
| -0 :warning: | checkstyle | 3m 37s |
[/results-checkstyle-root.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3904/5/artifact/out/results-checkstyle-root.txt)
| root: The patch generated 1 new + 78 unchanged - 3 fixed = 79 total (was
81) |
| +1 :green_heart: | mvnsite | 22m 54s | | the patch passed |
| +1 :green_heart: | shellcheck | 0m 0s | | No new issues. |
| +1 :green_heart: | xml | 0m 10s | | The patch has no ill-formed XML
file. |
| +1 :green_heart: | javadoc | 8m 36s | | the patch passed with JDK
Ubuntu-11.0.13+8-Ubuntu-0ubuntu1.20.04 |
| +1 :green_heart: | javadoc | 8m 32s | | the patch passed with JDK
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| +0 :ok: | spotbugs | 0m 21s | | hadoop-project has no data from
spotbugs |
| +1 :green_heart: | shadedclient | 56m 3s | | patch has no errors
when building and testing our client artifacts. |
|||| _ Other Tests _ |
| -1 :x: | unit | 794m 56s |
[/patch-unit-root.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3904/5/artifact/out/patch-unit-root.txt)
| root in the patch passed. |
| +1 :green_heart: | asflicense | 1m 38s | | The patch does not
generate ASF License warnings. |
| | | 1196m 55s | | |
| Reason | Tests |
|-------:|:------|
| Failed junit tests | hadoop.yarn.csi.client.TestCsiClient |
| Subsystem | Report/Notes |
|----------:|:-------------|
| Docker | ClientAPI=1.41 ServerAPI=1.41 base:
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3904/5/artifact/out/Dockerfile
|
| GITHUB PR | https://github.com/apache/hadoop/pull/3904 |
| Optional Tests | dupname asflicense codespell shellcheck shelldocs compile
javac javadoc mvninstall mvnsite unit shadedclient spotbugs checkstyle
markdownlint xml |
| uname | Linux f5cb218f3898 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 | feature-vectored-io /
326557de1404f38ca2b02ffacc1b0814c9281d80 |
| 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-3904/5/testReport/ |
| Max. process+thread count | 3075 (vs. ulimit of 5500) |
| modules | C: hadoop-project hadoop-common-project/hadoop-common
hadoop-common-project hadoop-tools/hadoop-aws hadoop-tools/hadoop-benchmark
hadoop-tools . U: . |
| Console output |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3904/5/console |
| versions | git=2.25.1 maven=3.6.3 shellcheck=0.7.0 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: 716858)
Time Spent: 12h (was: 11h 50m)
> FS API: Add a high-performance vectored Read to FSDataInputStream API
> ---------------------------------------------------------------------
>
> Key: HADOOP-11867
> URL: https://issues.apache.org/jira/browse/HADOOP-11867
> Project: Hadoop Common
> Issue Type: New Feature
> Components: fs, fs/azure, fs/s3, hdfs-client
> Affects Versions: 3.0.0
> Reporter: Gopal Vijayaraghavan
> Assignee: Mukund Thakur
> Priority: Major
> Labels: performance, pull-request-available
> Time Spent: 12h
> Remaining Estimate: 0h
>
> The most significant way to read from a filesystem in an efficient way is to
> let the FileSystem implementation handle the seek behaviour underneath the
> API to be the most efficient as possible.
> A better approach to the seek problem is to provide a sequence of read
> locations as part of a single call, while letting the system schedule/plan
> the reads ahead of time.
> This is exceedingly useful for seek-heavy readers on HDFS, since this allows
> for potentially optimizing away the seek-gaps within the FSDataInputStream
> implementation.
> For seek+read systems with even more latency than locally-attached disks,
> something like a {{readFully(long[] offsets, ByteBuffer[] chunks)}} would
> take of the seeks internally while reading chunk.remaining() bytes into each
> chunk (which may be {{slice()}}ed off a bigger buffer).
> The base implementation can stub in this as a sequence of seeks + read() into
> ByteBuffers, without forcing each FS implementation to override this in any
> way.
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