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https://issues.apache.org/jira/browse/HADOOP-11867?focusedWorklogId=486488&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-486488
]
ASF GitHub Bot logged work on HADOOP-11867:
-------------------------------------------
Author: ASF GitHub Bot
Created on: 19/Sep/20 10:45
Start Date: 19/Sep/20 10:45
Worklog Time Spent: 10m
Work Description: hadoop-yetus removed a comment on pull request #1830:
URL: https://github.com/apache/hadoop/pull/1830#issuecomment-667166239
:broken_heart: **-1 overall**
| Vote | Subsystem | Runtime | Comment |
|:----:|----------:|--------:|:--------|
| +0 :ok: | reexec | 0m 30s | 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: | test4tests | 0m 0s | The patch appears to include
1 new or modified test files. |
||| _ trunk Compile Tests _ |
| +0 :ok: | mvndep | 0m 26s | Maven dependency ordering for branch |
| +1 :green_heart: | mvninstall | 20m 13s | trunk passed |
| +1 :green_heart: | compile | 20m 23s | trunk passed with JDK
Ubuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1 |
| +1 :green_heart: | compile | 17m 49s | trunk passed with JDK Private
Build-1.8.0_252-8u252-b09-1~18.04-b09 |
| +1 :green_heart: | checkstyle | 0m 56s | trunk passed |
| +1 :green_heart: | mvnsite | 3m 21s | trunk passed |
| +1 :green_heart: | shadedclient | 18m 32s | branch has no errors when
building and testing our client artifacts. |
| -1 :x: | javadoc | 0m 38s | hadoop-common in trunk failed with JDK
Ubuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1. |
| -1 :x: | javadoc | 0m 29s | hadoop-common-project in trunk failed
with JDK Ubuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1. |
| +1 :green_heart: | javadoc | 2m 10s | trunk passed with JDK Private
Build-1.8.0_252-8u252-b09-1~18.04-b09 |
| +0 :ok: | spotbugs | 3m 36s | Used deprecated FindBugs config;
considering switching to SpotBugs. |
| +1 :green_heart: | findbugs | 5m 49s | trunk passed |
||| _ Patch Compile Tests _ |
| +0 :ok: | mvndep | 0m 27s | Maven dependency ordering for patch |
| -1 :x: | mvninstall | 0m 22s | benchmark in the patch failed. |
| +1 :green_heart: | compile | 21m 8s | the patch passed with JDK
Ubuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1 |
| +1 :green_heart: | javac | 21m 8s | the patch passed |
| +1 :green_heart: | compile | 17m 19s | the patch passed with JDK
Private Build-1.8.0_252-8u252-b09-1~18.04-b09 |
| +1 :green_heart: | javac | 17m 19s | the patch passed |
| -0 :warning: | checkstyle | 0m 55s | hadoop-common-project: The patch
generated 29 new + 93 unchanged - 1 fixed = 122 total (was 94) |
| -1 :x: | mvnsite | 0m 38s | benchmark in the patch failed. |
| +1 :green_heart: | whitespace | 0m 0s | The patch has no whitespace
issues. |
| +1 :green_heart: | xml | 0m 5s | The patch has no ill-formed XML
file. |
| +1 :green_heart: | shadedclient | 14m 20s | patch has no errors when
building and testing our client artifacts. |
| -1 :x: | javadoc | 0m 37s | hadoop-common in the patch failed with
JDK Ubuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1. |
| -1 :x: | javadoc | 0m 31s | hadoop-common-project in the patch failed
with JDK Ubuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1. |
| -1 :x: | javadoc | 0m 31s | benchmark in the patch failed with JDK
Ubuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1. |
| -1 :x: | javadoc | 0m 29s |
hadoop-common-project_benchmark-jdkPrivateBuild-1.8.0_252-8u252-b09-1~18.04-b09
with JDK Private Build-1.8.0_252-8u252-b09-1~18.04-b09 generated 6 new + 0
unchanged - 0 fixed = 6 total (was 0) |
| -1 :x: | findbugs | 2m 22s | hadoop-common-project/hadoop-common
generated 1 new + 0 unchanged - 0 fixed = 1 total (was 0) |
| -1 :x: | findbugs | 3m 53s | hadoop-common-project generated 1 new +
0 unchanged - 0 fixed = 1 total (was 0) |
| -1 :x: | findbugs | 0m 29s | benchmark in the patch failed. |
||| _ Other Tests _ |
| +1 :green_heart: | unit | 9m 45s | hadoop-common in the patch passed.
|
| +1 :green_heart: | unit | 16m 39s | hadoop-common-project in the patch
passed. |
| -1 :x: | unit | 0m 35s | benchmark in the patch failed. |
| -1 :x: | asflicense | 0m 51s | The patch generated 18 ASF License
warnings. |
| | | 191m 20s | |
| Reason | Tests |
|-------:|:------|
| FindBugs | module:hadoop-common-project/hadoop-common |
| | Result of integer multiplication cast to long in
org.apache.hadoop.fs.ChecksumFileSystem$ChecksumFSInputChecker.checkBytes(ByteBuffer,
long, ByteBuffer, long, int, Path) At ChecksumFileSystem.java:to long in
org.apache.hadoop.fs.ChecksumFileSystem$ChecksumFSInputChecker.checkBytes(ByteBuffer,
long, ByteBuffer, long, int, Path) At ChecksumFileSystem.java:[line 353] |
| FindBugs | module:hadoop-common-project |
| | Result of integer multiplication cast to long in
org.apache.hadoop.fs.ChecksumFileSystem$ChecksumFSInputChecker.checkBytes(ByteBuffer,
long, ByteBuffer, long, int, Path) At ChecksumFileSystem.java:to long in
org.apache.hadoop.fs.ChecksumFileSystem$ChecksumFSInputChecker.checkBytes(ByteBuffer,
long, ByteBuffer, long, int, Path) At ChecksumFileSystem.java:[line 353] |
| Subsystem | Report/Notes |
|----------:|:-------------|
| Docker | ClientAPI=1.40 ServerAPI=1.40 base:
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-1830/3/artifact/out/Dockerfile
|
| GITHUB PR | https://github.com/apache/hadoop/pull/1830 |
| JIRA Issue | HADOOP-11867 |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall
mvnsite unit shadedclient xml findbugs checkstyle |
| uname | Linux d52d72c4144c 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 | personality/hadoop.sh |
| git revision | trunk / e756fe35909 |
| Default Java | Private Build-1.8.0_252-8u252-b09-1~18.04-b09 |
| 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_252-8u252-b09-1~18.04-b09
|
| javadoc |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-1830/3/artifact/out/branch-javadoc-hadoop-common-project_hadoop-common-jdkUbuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1.txt
|
| javadoc |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-1830/3/artifact/out/branch-javadoc-hadoop-common-project-jdkUbuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1.txt
|
| mvninstall |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-1830/3/artifact/out/patch-mvninstall-hadoop-common-project_benchmark.txt
|
| checkstyle |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-1830/3/artifact/out/diff-checkstyle-hadoop-common-project.txt
|
| mvnsite |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-1830/3/artifact/out/patch-mvnsite-hadoop-common-project_benchmark.txt
|
| javadoc |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-1830/3/artifact/out/patch-javadoc-hadoop-common-project_hadoop-common-jdkUbuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1.txt
|
| javadoc |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-1830/3/artifact/out/patch-javadoc-hadoop-common-project-jdkUbuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1.txt
|
| javadoc |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-1830/3/artifact/out/patch-javadoc-hadoop-common-project_benchmark-jdkUbuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1.txt
|
| javadoc |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-1830/3/artifact/out/diff-javadoc-javadoc-hadoop-common-project_benchmark-jdkPrivateBuild-1.8.0_252-8u252-b09-1~18.04-b09.txt
|
| findbugs |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-1830/3/artifact/out/new-findbugs-hadoop-common-project_hadoop-common.html
|
| findbugs |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-1830/3/artifact/out/new-findbugs-hadoop-common-project.html
|
| findbugs |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-1830/3/artifact/out/patch-findbugs-hadoop-common-project_benchmark.txt
|
| unit |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-1830/3/artifact/out/patch-unit-hadoop-common-project_benchmark.txt
|
| Test Results |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-1830/3/testReport/ |
| asflicense |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-1830/3/artifact/out/patch-asflicense-problems.txt
|
| Max. process+thread count | 2251 (vs. ulimit of 5500) |
| modules | C: hadoop-common-project/hadoop-common hadoop-common-project
hadoop-common-project/benchmark U: hadoop-common-project |
| Console output |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-1830/3/console |
| versions | git=2.17.1 maven=3.6.0 findbugs=4.0.6 |
| Powered by | Apache Yetus 0.12.0 https://yetus.apache.org |
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Issue Time Tracking
-------------------
Worklog Id: (was: 486488)
Time Spent: 40m (was: 0.5h)
> 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: Owen O'Malley
> Priority: Major
> Labels: performance, pull-request-available
> Time Spent: 40m
> 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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