[
https://issues.apache.org/jira/browse/HDFS-15987?focusedWorklogId=743986&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-743986
]
ASF GitHub Bot logged work on HDFS-15987:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 18/Mar/22 14:54
Start Date: 18/Mar/22 14:54
Worklog Time Spent: 10m
Work Description: hadoop-yetus commented on pull request #2918:
URL: https://github.com/apache/hadoop/pull/2918#issuecomment-1072132368
:confetti_ball: **+1 overall**
| Vote | Subsystem | Runtime | Logfile | Comment |
|:----:|----------:|--------:|:--------:|:-------:|
| +0 :ok: | reexec | 0m 55s | | 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 2 new or modified test files. |
|||| _ trunk Compile Tests _ |
| +1 :green_heart: | mvninstall | 36m 30s | | trunk passed |
| +1 :green_heart: | compile | 1m 33s | | trunk passed with JDK
Ubuntu-11.0.13+8-Ubuntu-0ubuntu1.20.04 |
| +1 :green_heart: | compile | 1m 22s | | 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 28s | | trunk passed |
| +1 :green_heart: | javadoc | 1m 3s | | trunk passed with JDK
Ubuntu-11.0.13+8-Ubuntu-0ubuntu1.20.04 |
| +1 :green_heart: | javadoc | 1m 31s | | trunk passed with JDK
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| +1 :green_heart: | spotbugs | 3m 29s | | trunk passed |
| +1 :green_heart: | shadedclient | 25m 49s | | branch has no errors
when building and testing our client artifacts. |
|||| _ Patch Compile Tests _ |
| +1 :green_heart: | mvninstall | 1m 18s | | the patch passed |
| +1 :green_heart: | compile | 1m 24s | | the patch passed with JDK
Ubuntu-11.0.13+8-Ubuntu-0ubuntu1.20.04 |
| +1 :green_heart: | javac | 1m 24s | | the patch passed |
| +1 :green_heart: | compile | 1m 15s | | the patch passed with JDK
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| +1 :green_heart: | javac | 1m 16s | | the patch passed |
| +1 :green_heart: | blanks | 0m 0s | | The patch has no blanks
issues. |
| +1 :green_heart: | checkstyle | 0m 53s | | the patch passed |
| +1 :green_heart: | mvnsite | 1m 23s | | the patch passed |
| +1 :green_heart: | javadoc | 0m 54s | | the patch passed with JDK
Ubuntu-11.0.13+8-Ubuntu-0ubuntu1.20.04 |
| +1 :green_heart: | javadoc | 1m 28s | | the patch passed with JDK
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| +1 :green_heart: | spotbugs | 3m 29s | | the patch passed |
| +1 :green_heart: | shadedclient | 25m 43s | | patch has no errors
when building and testing our client artifacts. |
|||| _ Other Tests _ |
| +1 :green_heart: | unit | 359m 32s | | hadoop-hdfs in the patch
passed. |
| +1 :green_heart: | asflicense | 0m 38s | | The patch does not
generate ASF License warnings. |
| | | 469m 28s | | |
| Subsystem | Report/Notes |
|----------:|:-------------|
| Docker | ClientAPI=1.41 ServerAPI=1.41 base:
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-2918/4/artifact/out/Dockerfile
|
| GITHUB PR | https://github.com/apache/hadoop/pull/2918 |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall
mvnsite unit shadedclient spotbugs checkstyle codespell |
| uname | Linux 3635b55300a7 4.15.0-166-generic #174-Ubuntu SMP Wed Dec 8
19:07:44 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | dev-support/bin/hadoop.sh |
| git revision | trunk / 362762d88d75c8d11cab324c3f9ce79d638e7be3 |
| 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-2918/4/testReport/ |
| Max. process+thread count | 2219 (vs. ulimit of 5500) |
| modules | C: hadoop-hdfs-project/hadoop-hdfs U:
hadoop-hdfs-project/hadoop-hdfs |
| Console output |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-2918/4/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: 743986)
Time Spent: 6h (was: 5h 50m)
> Improve oiv tool to parse fsimage file in parallel with delimited format
> ------------------------------------------------------------------------
>
> Key: HDFS-15987
> URL: https://issues.apache.org/jira/browse/HDFS-15987
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Hongbing Wang
> Assignee: Hongbing Wang
> Priority: Major
> Labels: pull-request-available
> Attachments: Improve_oiv_tool_001.pdf
>
> Time Spent: 6h
> Remaining Estimate: 0h
>
> The purpose of this Jira is to improve oiv tool to parse fsimage file with
> sub-sections (see -HDFS-14617-) in parallel with delmited format.
> 1.Serial parsing is time-consuming
> The time to serially parse a large fsimage with delimited format (e.g. `hdfs
> oiv -p Delimited -t <tmp> ...`) is as follows:
> {code:java}
> 1) Loading string table: -> Not time consuming.
> 2) Loading inode references: -> Not time consuming
> 3) Loading directories in INode section: -> Slightly time consuming (3%)
> 4) Loading INode directory section: -> A bit time consuming (11%)
> 5) Output: -> Very time consuming (86%){code}
> Therefore, output is the most parallelized stage.
> 2.How to output in parallel
> The sub-sections are grouped in order, and each thread processes a group and
> outputs it to the file corresponding to each thread, and finally merges the
> output files.
> 3. The result of a test
> {code:java}
> input fsimage file info:
> 3.4G, 12 sub-sections, 55976500 INodes
> -----------------------------------------
> Threads TotalTime OutputTime MergeTime
> 1 18m37s 16m18s –
> 4 8m7s 4m49s 41s{code}
>
>
>
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