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https://issues.apache.org/jira/browse/HADOOP-11867?focusedWorklogId=489493&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-489493
]
ASF GitHub Bot logged work on HADOOP-11867:
-------------------------------------------
Author: ASF GitHub Bot
Created on: 23/Sep/20 09:15
Start Date: 23/Sep/20 09:15
Worklog Time Spent: 10m
Work Description: hadoop-yetus commented on pull request #1830:
URL: https://github.com/apache/hadoop/pull/1830#issuecomment-697240495
:broken_heart: **-1 overall**
| Vote | Subsystem | Runtime | Comment |
|:----:|----------:|--------:|:--------|
| +0 :ok: | reexec | 0m 24s | Docker mode activated. |
||| _ Prechecks _ |
| +1 :green_heart: | dupname | 0m 1s | 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 | 3m 36s | Maven dependency ordering for branch |
| +1 :green_heart: | mvninstall | 28m 40s | trunk passed |
| +1 :green_heart: | compile | 20m 36s | trunk passed with JDK
Ubuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1 |
| +1 :green_heart: | compile | 17m 19s | trunk passed with JDK Private
Build-1.8.0_265-8u265-b01-0ubuntu2~18.04-b01 |
| +1 :green_heart: | checkstyle | 2m 48s | trunk passed |
| +1 :green_heart: | mvnsite | 21m 4s | trunk passed |
| +1 :green_heart: | shadedclient | 39m 22s | branch has no errors when
building and testing our client artifacts. |
| +1 :green_heart: | javadoc | 6m 26s | trunk passed with JDK
Ubuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1 |
| +1 :green_heart: | javadoc | 6m 57s | trunk passed with JDK Private
Build-1.8.0_265-8u265-b01-0ubuntu2~18.04-b01 |
| +0 :ok: | spotbugs | 2m 5s | Used deprecated FindBugs config;
considering switching to SpotBugs. |
| +1 :green_heart: | findbugs | 37m 57s | trunk passed |
||| _ Patch Compile Tests _ |
| +0 :ok: | mvndep | 0m 33s | Maven dependency ordering for patch |
| +1 :green_heart: | mvninstall | 24m 8s | the patch passed |
| +1 :green_heart: | compile | 20m 3s | the patch passed with JDK
Ubuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1 |
| +1 :green_heart: | javac | 20m 3s | the patch passed |
| +1 :green_heart: | compile | 17m 24s | the patch passed with JDK
Private Build-1.8.0_265-8u265-b01-0ubuntu2~18.04-b01 |
| +1 :green_heart: | javac | 17m 24s | the patch passed |
| -0 :warning: | checkstyle | 2m 50s | root: The patch generated 28 new
+ 90 unchanged - 4 fixed = 118 total (was 94) |
| +1 :green_heart: | mvnsite | 17m 55s | the patch passed |
| +1 :green_heart: | whitespace | 0m 0s | The patch has no whitespace
issues. |
| +1 :green_heart: | xml | 0m 7s | The patch has no ill-formed XML
file. |
| +1 :green_heart: | shadedclient | 15m 24s | patch has no errors when
building and testing our client artifacts. |
| +1 :green_heart: | javadoc | 6m 29s | the patch passed with JDK
Ubuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1 |
| +1 :green_heart: | javadoc | 6m 54s | the patch passed with JDK
Private Build-1.8.0_265-8u265-b01-0ubuntu2~18.04-b01 |
| +1 :green_heart: | findbugs | 39m 26s | the patch passed |
||| _ Other Tests _ |
| -1 :x: | unit | 577m 2s | root in the patch passed. |
| -1 :x: | asflicense | 1m 50s | The patch generated 1 ASF License
warnings. |
| | | 895m 41s | |
| Reason | Tests |
|-------:|:------|
| Failed junit tests |
hadoop.yarn.applications.distributedshell.TestDistributedShell |
| | hadoop.yarn.server.resourcemanager.security.TestDelegationTokenRenewer
|
| | hadoop.yarn.server.resourcemanager.TestRMRestart |
| | hadoop.yarn.sls.TestReservationSystemInvariants |
| | hadoop.hdfs.TestFileChecksum |
| | hadoop.hdfs.TestSnapshotCommands |
| | hadoop.hdfs.TestFileChecksumCompositeCrc |
| | hadoop.hdfs.TestDFSClientRetries |
| | hadoop.hdfs.TestStripedFileAppend |
| | hadoop.hdfs.server.sps.TestExternalStoragePolicySatisfier |
| | hadoop.crypto.key.kms.server.TestKMS |
| Subsystem | Report/Notes |
|----------:|:-------------|
| Docker | ClientAPI=1.40 ServerAPI=1.40 base:
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-1830/12/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 a64523bb9bef 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 | trunk / 7fae4133e05 |
| Default Java | Private Build-1.8.0_265-8u265-b01-0ubuntu2~18.04-b01 |
| 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_265-8u265-b01-0ubuntu2~18.04-b01 |
| checkstyle |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-1830/12/artifact/out/diff-checkstyle-root.txt
|
| unit |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-1830/12/artifact/out/patch-unit-root.txt
|
| Test Results |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-1830/12/testReport/ |
| asflicense |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-1830/12/artifact/out/patch-asflicense-problems.txt
|
| Max. process+thread count | 3731 (vs. ulimit of 5500) |
| modules | C: hadoop-common-project/hadoop-common hadoop-common-project .
hadoop-common-project/benchmark U: . |
| Console output |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-1830/12/console |
| versions | git=2.17.1 maven=3.6.0 findbugs=4.0.6 |
| Powered by | Apache Yetus 0.13.0-SNAPSHOT https://yetus.apache.org |
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Issue Time Tracking
-------------------
Worklog Id: (was: 489493)
Time Spent: 4.5h (was: 4h 20m)
> 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: 4.5h
> 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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