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https://issues.apache.org/jira/browse/MAPREDUCE-7017?focusedWorklogId=526660&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-526660
]
ASF GitHub Bot logged work on MAPREDUCE-7017:
---------------------------------------------
Author: ASF GitHub Bot
Created on: 21/Dec/20 04:35
Start Date: 21/Dec/20 04:35
Worklog Time Spent: 10m
Work Description: hadoop-yetus commented on pull request #309:
URL: https://github.com/apache/hadoop/pull/309#issuecomment-748751459
:broken_heart: **-1 overall**
| Vote | Subsystem | Runtime | Logfile | Comment |
|:----:|----------:|--------:|:--------:|:-------:|
| +0 :ok: | reexec | 0m 32s | | 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 :x: | test4tests | 0m 0s | | The patch doesn't appear to include
any new or modified tests. Please justify why no new tests are needed for this
patch. Also please list what manual steps were performed to verify this patch.
|
|||| _ trunk Compile Tests _ |
| +1 :green_heart: | mvninstall | 32m 43s | | trunk passed |
| +1 :green_heart: | compile | 0m 39s | | trunk passed with JDK
Ubuntu-11.0.9.1+1-Ubuntu-0ubuntu1.18.04 |
| +1 :green_heart: | compile | 0m 34s | | trunk passed with JDK
Private Build-1.8.0_275-8u275-b01-0ubuntu1~18.04-b01 |
| +1 :green_heart: | checkstyle | 0m 35s | | trunk passed |
| +1 :green_heart: | mvnsite | 0m 39s | | trunk passed |
| +1 :green_heart: | shadedclient | 16m 36s | | branch has no errors
when building and testing our client artifacts. |
| +1 :green_heart: | javadoc | 0m 33s | | trunk passed with JDK
Ubuntu-11.0.9.1+1-Ubuntu-0ubuntu1.18.04 |
| +1 :green_heart: | javadoc | 0m 28s | | trunk passed with JDK
Private Build-1.8.0_275-8u275-b01-0ubuntu1~18.04-b01 |
| +0 :ok: | spotbugs | 1m 2s | | Used deprecated FindBugs config;
considering switching to SpotBugs. |
| +1 :green_heart: | findbugs | 1m 0s | | trunk passed |
|||| _ Patch Compile Tests _ |
| +1 :green_heart: | mvninstall | 0m 33s | | the patch passed |
| +1 :green_heart: | compile | 0m 30s | | the patch passed with JDK
Ubuntu-11.0.9.1+1-Ubuntu-0ubuntu1.18.04 |
| +1 :green_heart: | javac | 0m 30s | | the patch passed |
| +1 :green_heart: | compile | 0m 26s | | the patch passed with JDK
Private Build-1.8.0_275-8u275-b01-0ubuntu1~18.04-b01 |
| +1 :green_heart: | javac | 0m 26s | | the patch passed |
| +1 :green_heart: | checkstyle | 0m 25s | | the patch passed |
| +1 :green_heart: | mvnsite | 0m 28s | | the patch passed |
| +1 :green_heart: | whitespace | 0m 0s | | The patch has no
whitespace issues. |
| +1 :green_heart: | shadedclient | 14m 42s | | patch has no errors
when building and testing our client artifacts. |
| +1 :green_heart: | javadoc | 0m 27s | | the patch passed with JDK
Ubuntu-11.0.9.1+1-Ubuntu-0ubuntu1.18.04 |
| +1 :green_heart: | javadoc | 0m 23s | | the patch passed with JDK
Private Build-1.8.0_275-8u275-b01-0ubuntu1~18.04-b01 |
| -1 :x: | findbugs | 1m 2s |
[/new-findbugs-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-app.html](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-309/9/artifact/out/new-findbugs-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-app.html)
|
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app
generated 1 new + 0 unchanged - 0 fixed = 1 total (was 0) |
|||| _ Other Tests _ |
| -1 :x: | unit | 8m 20s |
[/patch-unit-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-app.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-309/9/artifact/out/patch-unit-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-app.txt)
| hadoop-mapreduce-client-app in the patch passed. |
| +1 :green_heart: | asflicense | 0m 36s | | The patch does not
generate ASF License warnings. |
| | | 84m 20s | | |
| Reason | Tests |
|-------:|:------|
| FindBugs |
module:hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app
|
| | Write to static field
org.apache.hadoop.mapreduce.v2.app.job.impl.TaskAttemptImpl.appContext from
instance method
org.apache.hadoop.mapreduce.v2.app.job.impl.TaskAttemptImpl.setApplicationContextStatic(AppContext)
At TaskAttemptImpl.java:from instance method
org.apache.hadoop.mapreduce.v2.app.job.impl.TaskAttemptImpl.setApplicationContextStatic(AppContext)
At TaskAttemptImpl.java:[line 710] |
| Failed junit tests | hadoop.mapreduce.v2.app.job.impl.TestTaskAttempt |
| Subsystem | Report/Notes |
|----------:|:-------------|
| Docker | ClientAPI=1.41 ServerAPI=1.41 base:
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-309/9/artifact/out/Dockerfile
|
| GITHUB PR | https://github.com/apache/hadoop/pull/309 |
| JIRA Issue | MAPREDUCE-7017 |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall
mvnsite unit shadedclient findbugs checkstyle |
| uname | Linux 14897faed2fd 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 / bb528e32399 |
| Default Java | Private Build-1.8.0_275-8u275-b01-0ubuntu1~18.04-b01 |
| Multi-JDK versions |
/usr/lib/jvm/java-11-openjdk-amd64:Ubuntu-11.0.9.1+1-Ubuntu-0ubuntu1.18.04
/usr/lib/jvm/java-8-openjdk-amd64:Private
Build-1.8.0_275-8u275-b01-0ubuntu1~18.04-b01 |
| Test Results |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-309/9/testReport/ |
| Max. process+thread count | 721 (vs. ulimit of 5500) |
| modules | C:
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app U:
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app |
| Console output |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-309/9/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: 526660)
Time Spent: 40m (was: 0.5h)
> Too many times of meaningless invocation in TaskAttemptImpl#resolveHosts
> ------------------------------------------------------------------------
>
> Key: MAPREDUCE-7017
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-7017
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: mr-am
> Affects Versions: 3.0.0-alpha4
> Reporter: jiayuhan-it
> Assignee: jiayuhan-it
> Priority: Major
> Labels: pull-request-available
> Attachments: MAPREDUCE-7017.001.patch
>
> Time Spent: 40m
> Remaining Estimate: 0h
>
> MRAppMaster uses {{TaskAttemptImpl::resolveHosts}} to determine the
> dataLocalHosts for each task when the location of data split is IP, which
> will call a lot of times ( taskNum * dfsReplication) of function
> {{InetAddress::getByName}} and most of the funcition calls are redundant.
> When the job has a great number of tasks and the speed of DNS resolution is
> not fast enough, it will take a lot of time at this stage before the job
> running.
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