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https://issues.apache.org/jira/browse/HADOOP-17770?focusedWorklogId=627522&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-627522
]
ASF GitHub Bot logged work on HADOOP-17770:
-------------------------------------------
Author: ASF GitHub Bot
Created on: 26/Jul/21 04:49
Start Date: 26/Jul/21 04:49
Worklog Time Spent: 10m
Work Description: hadoop-yetus commented on pull request #3233:
URL: https://github.com/apache/hadoop/pull/3233#issuecomment-886371697
:confetti_ball: **+1 overall**
| Vote | Subsystem | Runtime | Logfile | Comment |
|:----:|----------:|--------:|:--------:|:-------:|
| +0 :ok: | reexec | 6m 37s | | Docker mode activated. |
|||| _ Prechecks _ |
| +1 :green_heart: | dupname | 0m 0s | | No case conflicting files
found. |
| +0 :ok: | codespell | 0m 0s | | codespell was not available. |
| +0 :ok: | markdownlint | 0m 0s | | markdownlint 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. |
|||| _ branch-3.3 Compile Tests _ |
| +1 :green_heart: | mvninstall | 30m 24s | | branch-3.3 passed |
| +1 :green_heart: | compile | 0m 35s | | branch-3.3 passed |
| +1 :green_heart: | checkstyle | 0m 29s | | branch-3.3 passed |
| +1 :green_heart: | mvnsite | 0m 40s | | branch-3.3 passed |
| +1 :green_heart: | javadoc | 0m 32s | | branch-3.3 passed |
| +1 :green_heart: | spotbugs | 1m 2s | | branch-3.3 passed |
| +1 :green_heart: | shadedclient | 16m 17s | | branch has no errors
when building and testing our client artifacts. |
|||| _ Patch Compile Tests _ |
| +1 :green_heart: | mvninstall | 0m 31s | | the patch passed |
| +1 :green_heart: | compile | 0m 27s | | the patch passed |
| +1 :green_heart: | javac | 0m 27s | | the patch passed |
| +1 :green_heart: | blanks | 0m 0s | | The patch has no blanks
issues. |
| -0 :warning: | checkstyle | 0m 18s |
[/results-checkstyle-hadoop-tools_hadoop-azure.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3233/1/artifact/out/results-checkstyle-hadoop-tools_hadoop-azure.txt)
| hadoop-tools/hadoop-azure: The patch generated 3 new + 52 unchanged - 0
fixed = 55 total (was 52) |
| +1 :green_heart: | mvnsite | 0m 31s | | the patch passed |
| +1 :green_heart: | xml | 0m 1s | | The patch has no ill-formed XML
file. |
| +1 :green_heart: | javadoc | 0m 21s | | the patch passed |
| +1 :green_heart: | spotbugs | 1m 0s | | the patch passed |
| +1 :green_heart: | shadedclient | 16m 8s | | patch has no errors
when building and testing our client artifacts. |
|||| _ Other Tests _ |
| +1 :green_heart: | unit | 2m 9s | | hadoop-azure in the patch
passed. |
| +1 :green_heart: | asflicense | 0m 33s | | The patch does not
generate ASF License warnings. |
| | | 79m 27s | | |
| Subsystem | Report/Notes |
|----------:|:-------------|
| Docker | ClientAPI=1.41 ServerAPI=1.41 base:
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3233/1/artifact/out/Dockerfile
|
| GITHUB PR | https://github.com/apache/hadoop/pull/3233 |
| Optional Tests | dupname asflicense codespell xml compile javac javadoc
mvninstall mvnsite unit shadedclient spotbugs checkstyle markdownlint |
| uname | Linux eb14f0e93f2f 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 | branch-3.3 / 022c3658af78ae0463864e1e571c8a3a7b8912ff |
| Default Java | Private Build-1.8.0_292-8u292-b10-0ubuntu1~18.04-b10 |
| Test Results |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3233/1/testReport/ |
| Max. process+thread count | 537 (vs. ulimit of 5500) |
| modules | C: hadoop-tools/hadoop-azure U: hadoop-tools/hadoop-azure |
| Console output |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3233/1/console |
| versions | git=2.17.1 maven=3.6.0 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: 627522)
Time Spent: 4h 50m (was: 4h 40m)
> WASB : Support disabling buffered reads in positional reads
> -----------------------------------------------------------
>
> Key: HADOOP-17770
> URL: https://issues.apache.org/jira/browse/HADOOP-17770
> Project: Hadoop Common
> Issue Type: Improvement
> Reporter: Anoop Sam John
> Assignee: Anoop Sam John
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.4.0
>
> Attachments: AvgLatency_0 cache hit.png, AvgLatency_50% cache
> hit.png, Throughput_0 cache hit.png, Throughput_50% cache hit.png
>
> Time Spent: 4h 50m
> Remaining Estimate: 0h
>
> This is just like HADOOP-17038
> Right now it will do a seek to the position , read and then seek back to the
> old position. (As per the impl in the super class)
> In HBase kind of workloads we rely mostly on short preads. (like 64 KB size
> by default). So would be ideal to support a pure pos read API which will not
> even keep the data in a buffer but will only read the required data as what
> is asked for by the caller. (Not reading ahead more data as per the read size
> config)
> Allow an optional boolean config to be specified while opening file for read
> using which buffered pread can be disabled.
> FutureDataInputStreamBuilder openFile(Path path)
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