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https://issues.apache.org/jira/browse/HADOOP-17362?focusedWorklogId=509436&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-509436
]
ASF GitHub Bot logged work on HADOOP-17362:
-------------------------------------------
Author: ASF GitHub Bot
Created on: 10/Nov/20 01:09
Start Date: 10/Nov/20 01:09
Worklog Time Spent: 10m
Work Description: hadoop-yetus commented on pull request #2444:
URL: https://github.com/apache/hadoop/pull/2444#issuecomment-724382938
:confetti_ball: **+1 overall**
| Vote | Subsystem | Runtime | Logfile | Comment |
|:----:|----------:|--------:|:--------:|:-------:|
| +0 :ok: | reexec | 0m 31s | | 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 :green_heart: | | 0m 0s | [test4tests](test4tests) | The patch
appears to include 2 new or modified test files. |
|||| _ trunk Compile Tests _ |
| +1 :green_heart: | mvninstall | 33m 42s | | trunk passed |
| +1 :green_heart: | compile | 20m 1s | | trunk passed with JDK
Ubuntu-11.0.9+11-Ubuntu-0ubuntu1.18.04.1 |
| +1 :green_heart: | compile | 17m 18s | | trunk passed with JDK
Private Build-1.8.0_272-8u272-b10-0ubuntu1~18.04-b10 |
| +1 :green_heart: | checkstyle | 0m 57s | | trunk passed |
| +1 :green_heart: | mvnsite | 1m 32s | | trunk passed |
| +1 :green_heart: | shadedclient | 17m 43s | | branch has no errors
when building and testing our client artifacts. |
| +1 :green_heart: | javadoc | 1m 5s | | trunk passed with JDK
Ubuntu-11.0.9+11-Ubuntu-0ubuntu1.18.04.1 |
| +1 :green_heart: | javadoc | 1m 37s | | trunk passed with JDK
Private Build-1.8.0_272-8u272-b10-0ubuntu1~18.04-b10 |
| +0 :ok: | spotbugs | 2m 17s | | Used deprecated FindBugs config;
considering switching to SpotBugs. |
| +1 :green_heart: | findbugs | 2m 16s | | trunk passed |
|||| _ Patch Compile Tests _ |
| +1 :green_heart: | mvninstall | 0m 53s | | the patch passed |
| +1 :green_heart: | compile | 19m 20s | | the patch passed with JDK
Ubuntu-11.0.9+11-Ubuntu-0ubuntu1.18.04.1 |
| +1 :green_heart: | javac | 19m 20s | | the patch passed |
| +1 :green_heart: | compile | 17m 12s | | the patch passed with JDK
Private Build-1.8.0_272-8u272-b10-0ubuntu1~18.04-b10 |
| +1 :green_heart: | javac | 17m 12s | | the patch passed |
| +1 :green_heart: | checkstyle | 1m 1s | |
hadoop-common-project/hadoop-common: The patch generated 0 new + 200 unchanged
- 2 fixed = 200 total (was 202) |
| +1 :green_heart: | mvnsite | 1m 32s | | the patch passed |
| +1 :green_heart: | whitespace | 0m 0s | | The patch has no
whitespace issues. |
| +1 :green_heart: | shadedclient | 15m 2s | | patch has no errors
when building and testing our client artifacts. |
| +1 :green_heart: | javadoc | 1m 2s | | the patch passed with JDK
Ubuntu-11.0.9+11-Ubuntu-0ubuntu1.18.04.1 |
| +1 :green_heart: | javadoc | 1m 41s | | the patch passed with JDK
Private Build-1.8.0_272-8u272-b10-0ubuntu1~18.04-b10 |
| +1 :green_heart: | findbugs | 2m 23s | | the patch passed |
|||| _ Other Tests _ |
| +1 :green_heart: | unit | 9m 35s | | hadoop-common in the patch
passed. |
| +1 :green_heart: | asflicense | 0m 55s | | The patch does not
generate ASF License warnings. |
| | | 169m 46s | | |
| Subsystem | Report/Notes |
|----------:|:-------------|
| Docker | ClientAPI=1.40 ServerAPI=1.40 base:
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-2444/2/artifact/out/Dockerfile
|
| GITHUB PR | https://github.com/apache/hadoop/pull/2444 |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall
mvnsite unit shadedclient findbugs checkstyle |
| uname | Linux bc3e6e67c327 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 / 1ea3f742462 |
| Default Java | Private Build-1.8.0_272-8u272-b10-0ubuntu1~18.04-b10 |
| Multi-JDK versions |
/usr/lib/jvm/java-11-openjdk-amd64:Ubuntu-11.0.9+11-Ubuntu-0ubuntu1.18.04.1
/usr/lib/jvm/java-8-openjdk-amd64:Private
Build-1.8.0_272-8u272-b10-0ubuntu1~18.04-b10 |
| Test Results |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-2444/2/testReport/ |
| Max. process+thread count | 1442 (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-2444/2/console |
| versions | git=2.17.1 maven=3.6.0 findbugs=4.1.3 |
| Powered by | Apache Yetus 0.13.0-SNAPSHOT https://yetus.apache.org |
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Issue Time Tracking
-------------------
Worklog Id: (was: 509436)
Time Spent: 40m (was: 0.5h)
> Doing hadoop ls on Har file triggers too many RPC calls
> -------------------------------------------------------
>
> Key: HADOOP-17362
> URL: https://issues.apache.org/jira/browse/HADOOP-17362
> Project: Hadoop Common
> Issue Type: Bug
> Components: fs
> Reporter: Ahmed Hussein
> Assignee: Ahmed Hussein
> Priority: Major
> Labels: pull-request-available
> Time Spent: 40m
> Remaining Estimate: 0h
>
> [~daryn] has noticed that Invoking hadoop ls on HAR is taking too much of
> time.
> The har system has multiple deficiencies that significantly impacted
> performance:
> # Parsing the master index references ranges within the archive index. Each
> range required re-opening the hdfs input stream and seeking to the same
> location where it previously stopped.
> # Listing a har stats the archive index for every "directory". The per-call
> cache used a unique key for each stat, rendering the cache useless and
> significantly increasing memory pressure.
> # Determining the children of a directory scans the entire archive contents
> and filters out children. The cached metadata already stores the exact child
> list.
> # Globbing a har's contents resulted in unnecessary stats for every leaf path.
>
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