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https://issues.apache.org/jira/browse/HDFS-16422?focusedWorklogId=723451&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-723451
]
ASF GitHub Bot logged work on HDFS-16422:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 09/Feb/22 05:30
Start Date: 09/Feb/22 05:30
Worklog Time Spent: 10m
Work Description: hadoop-yetus commented on pull request #3881:
URL: https://github.com/apache/hadoop/pull/3881#issuecomment-1033367560
:broken_heart: **-1 overall**
| Vote | Subsystem | Runtime | Logfile | Comment |
|:----:|----------:|--------:|:--------:|:-------:|
| +0 :ok: | reexec | 0m 59s | | Docker mode activated. |
|||| _ Prechecks _ |
| +1 :green_heart: | dupname | 0m 0s | | No case conflicting files
found. |
| +0 :ok: | codespell | 0m 0s | | codespell was not available. |
| +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 | 35m 3s | | trunk passed |
| +1 :green_heart: | compile | 24m 20s | | trunk passed with JDK
Ubuntu-11.0.13+8-Ubuntu-0ubuntu1.20.04 |
| +1 :green_heart: | compile | 20m 40s | | trunk passed with JDK
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| +1 :green_heart: | checkstyle | 1m 0s | | trunk passed |
| +1 :green_heart: | mvnsite | 1m 36s | | trunk passed |
| +1 :green_heart: | javadoc | 1m 7s | | trunk passed with JDK
Ubuntu-11.0.13+8-Ubuntu-0ubuntu1.20.04 |
| +1 :green_heart: | javadoc | 1m 40s | | trunk passed with JDK
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| +1 :green_heart: | spotbugs | 2m 30s | | trunk passed |
| +1 :green_heart: | shadedclient | 25m 26s | | branch has no errors
when building and testing our client artifacts. |
|||| _ Patch Compile Tests _ |
| +1 :green_heart: | mvninstall | 0m 59s | | the patch passed |
| +1 :green_heart: | compile | 23m 38s | | the patch passed with JDK
Ubuntu-11.0.13+8-Ubuntu-0ubuntu1.20.04 |
| +1 :green_heart: | javac | 23m 38s | | the patch passed |
| +1 :green_heart: | compile | 20m 51s | | the patch passed with JDK
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| +1 :green_heart: | javac | 20m 51s | | the patch passed |
| +1 :green_heart: | blanks | 0m 0s | | The patch has no blanks
issues. |
| +1 :green_heart: | checkstyle | 0m 58s | | the patch passed |
| +1 :green_heart: | mvnsite | 1m 34s | | the patch passed |
| +1 :green_heart: | javadoc | 1m 5s | | the patch passed with JDK
Ubuntu-11.0.13+8-Ubuntu-0ubuntu1.20.04 |
| +1 :green_heart: | javadoc | 1m 35s | | the patch passed with JDK
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| +1 :green_heart: | spotbugs | 2m 37s | | the patch passed |
| +1 :green_heart: | shadedclient | 25m 20s | | patch has no errors
when building and testing our client artifacts. |
|||| _ Other Tests _ |
| +1 :green_heart: | unit | 17m 26s | | hadoop-common in the patch
passed. |
| +1 :green_heart: | asflicense | 0m 48s | | The patch does not
generate ASF License warnings. |
| | | 210m 47s | | |
| Subsystem | Report/Notes |
|----------:|:-------------|
| Docker | ClientAPI=1.41 ServerAPI=1.41 base:
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3881/7/artifact/out/Dockerfile
|
| GITHUB PR | https://github.com/apache/hadoop/pull/3881 |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall
mvnsite unit shadedclient spotbugs checkstyle codespell |
| uname | Linux c3a2da298996 4.15.0-163-generic #171-Ubuntu SMP Fri Nov 5
11:55:11 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | dev-support/bin/hadoop.sh |
| git revision | trunk / 7f72a4cdd5753645a11054db09657938f0ed19ce |
| 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-3881/7/testReport/ |
| Max. process+thread count | 1252 (vs. ulimit of 5500) |
| modules | C: hadoop-common-project/hadoop-common U:
hadoop-common-project/hadoop-common |
| Console output |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3881/7/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: 723451)
Time Spent: 2h 50m (was: 2h 40m)
> Fix thread safety of EC decoding during concurrent preads
> ---------------------------------------------------------
>
> Key: HDFS-16422
> URL: https://issues.apache.org/jira/browse/HDFS-16422
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: dfsclient, ec, erasure-coding
> Affects Versions: 3.3.0, 3.3.1
> Reporter: daimin
> Assignee: daimin
> Priority: Critical
> Labels: pull-request-available
> Time Spent: 2h 50m
> Remaining Estimate: 0h
>
> Reading data on an erasure-coded file with missing replicas(internal block of
> block group) will cause online reconstruction: read dataUnits part of data
> and decode them into the target missing data. Each DFSStripedInputStream
> object has a RawErasureDecoder object, and when we doing pread concurrently,
> RawErasureDecoder.decode will be invoked concurrently too.
> RawErasureDecoder.decode is not thread safe, as a result of that we get wrong
> data from pread occasionally.
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