[
https://issues.apache.org/jira/browse/HDFS-16520?focusedWorklogId=749392&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-749392
]
ASF GitHub Bot logged work on HDFS-16520:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 29/Mar/22 15:21
Start Date: 29/Mar/22 15:21
Worklog Time Spent: 10m
Work Description: hadoop-yetus commented on pull request #4104:
URL: https://github.com/apache/hadoop/pull/4104#issuecomment-1082009485
:confetti_ball: **+1 overall**
| Vote | Subsystem | Runtime | Logfile | Comment |
|:----:|----------:|--------:|:--------:|:-------:|
| +0 :ok: | reexec | 0m 39s | | Docker mode activated. |
|||| _ Prechecks _ |
| +1 :green_heart: | dupname | 0m 0s | | No case conflicting files
found. |
| +0 :ok: | codespell | 0m 1s | | codespell 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 1 new or modified test files. |
|||| _ trunk Compile Tests _ |
| +0 :ok: | mvndep | 12m 59s | | Maven dependency ordering for branch |
| +1 :green_heart: | mvninstall | 23m 19s | | trunk passed |
| +1 :green_heart: | compile | 6m 5s | | trunk passed with JDK
Ubuntu-11.0.14+9-Ubuntu-0ubuntu2.20.04 |
| +1 :green_heart: | compile | 5m 37s | | trunk passed with JDK
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| +1 :green_heart: | checkstyle | 1m 12s | | trunk passed |
| +1 :green_heart: | mvnsite | 2m 32s | | trunk passed |
| +1 :green_heart: | javadoc | 1m 49s | | trunk passed with JDK
Ubuntu-11.0.14+9-Ubuntu-0ubuntu2.20.04 |
| +1 :green_heart: | javadoc | 2m 16s | | trunk passed with JDK
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| +1 :green_heart: | spotbugs | 5m 45s | | trunk passed |
| +1 :green_heart: | shadedclient | 22m 41s | | branch has no errors
when building and testing our client artifacts. |
|||| _ Patch Compile Tests _ |
| +0 :ok: | mvndep | 0m 27s | | Maven dependency ordering for patch |
| +1 :green_heart: | mvninstall | 2m 7s | | the patch passed |
| +1 :green_heart: | compile | 5m 44s | | the patch passed with JDK
Ubuntu-11.0.14+9-Ubuntu-0ubuntu2.20.04 |
| +1 :green_heart: | javac | 5m 44s | | the patch passed |
| +1 :green_heart: | compile | 5m 32s | | the patch passed with JDK
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| +1 :green_heart: | javac | 5m 32s | | the patch passed |
| +1 :green_heart: | blanks | 0m 0s | | The patch has no blanks
issues. |
| -0 :warning: | checkstyle | 1m 2s |
[/results-checkstyle-hadoop-hdfs-project.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4104/3/artifact/out/results-checkstyle-hadoop-hdfs-project.txt)
| hadoop-hdfs-project: The patch generated 3 new + 29 unchanged - 0 fixed =
32 total (was 29) |
| +1 :green_heart: | mvnsite | 2m 11s | | the patch passed |
| +1 :green_heart: | javadoc | 1m 29s | | the patch passed with JDK
Ubuntu-11.0.14+9-Ubuntu-0ubuntu2.20.04 |
| +1 :green_heart: | javadoc | 2m 0s | | the patch passed with JDK
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| +1 :green_heart: | spotbugs | 5m 49s | | the patch passed |
| +1 :green_heart: | shadedclient | 22m 41s | | patch has no errors
when building and testing our client artifacts. |
|||| _ Other Tests _ |
| +1 :green_heart: | unit | 2m 23s | | hadoop-hdfs-client in the patch
passed. |
| +1 :green_heart: | unit | 226m 1s | | hadoop-hdfs in the patch
passed. |
| +1 :green_heart: | asflicense | 0m 47s | | The patch does not
generate ASF License warnings. |
| | | 361m 8s | | |
| Subsystem | Report/Notes |
|----------:|:-------------|
| Docker | ClientAPI=1.41 ServerAPI=1.41 base:
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4104/3/artifact/out/Dockerfile
|
| GITHUB PR | https://github.com/apache/hadoop/pull/4104 |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall
mvnsite unit shadedclient spotbugs checkstyle codespell |
| uname | Linux 259ffc61732c 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 / 3dac78493d53795dbe739c9942e9594b1b84da6a |
| 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-11.0.14+9-Ubuntu-0ubuntu2.20.04
/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-4104/3/testReport/ |
| Max. process+thread count | 3285 (vs. ulimit of 5500) |
| modules | C: hadoop-hdfs-project/hadoop-hdfs-client
hadoop-hdfs-project/hadoop-hdfs U: hadoop-hdfs-project |
| Console output |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4104/3/console |
| versions | git=2.25.1 maven=3.6.3 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: 749392)
Time Spent: 1h 10m (was: 1h)
> Improve EC pread: avoid potential reading whole block
> -----------------------------------------------------
>
> Key: HDFS-16520
> URL: https://issues.apache.org/jira/browse/HDFS-16520
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: dfsclient, ec
> Affects Versions: 3.3.1, 3.3.2
> Reporter: daimin
> Assignee: daimin
> Priority: Major
> Labels: pull-request-available
> Time Spent: 1h 10m
> Remaining Estimate: 0h
>
> HDFS client 'pread' represents 'position read', this kind of read just need a
> range of data instead of reading the whole file/block. By using
> BlockReaderFactory#setLength, client tells datanode the block length to be
> read from disk and sent to client.
> To EC file, the block length to read is not well set, by default using
> 'block.getBlockSize() - offsetInBlock' to both pread and sread. Thus datanode
> read much more data and send to client, and abort when client closes
> connection. There is a lot waste of resource to this situation.
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