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https://issues.apache.org/jira/browse/HADOOP-17596?focusedWorklogId=569661&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-569661
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ASF GitHub Bot logged work on HADOOP-17596:
-------------------------------------------

                Author: ASF GitHub Bot
            Created on: 22/Mar/21 12:07
            Start Date: 22/Mar/21 12:07
    Worklog Time Spent: 10m 
      Work Description: hadoop-yetus commented on pull request #2795:
URL: https://github.com/apache/hadoop/pull/2795#issuecomment-804012337


   :broken_heart: **-1 overall**
   
   
   
   
   
   
   | Vote | Subsystem | Runtime |  Logfile | Comment |
   |:----:|----------:|--------:|:--------:|:-------:|
   | +0 :ok: |  reexec  |   0m  0s |  |  Docker mode activated.  |
   | -1 :x: |  patch  |   0m 17s |  |  
https://github.com/apache/hadoop/pull/2795 does not apply to trunk. Rebase 
required? Wrong Branch? See 
https://cwiki.apache.org/confluence/display/HADOOP/How+To+Contribute for help.  
|
   
   
   | Subsystem | Report/Notes |
   |----------:|:-------------|
   | GITHUB PR | https://github.com/apache/hadoop/pull/2795 |
   | Console output | 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-2795/1/console |
   | versions | git=2.17.1 |
   | Powered by | Apache Yetus 0.14.0-SNAPSHOT https://yetus.apache.org |
   
   
   This message was automatically generated.
   
   


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Issue Time Tracking
-------------------

    Worklog Id:     (was: 569661)
    Time Spent: 20m  (was: 10m)

> ABFS: Change default Readahead Queue Depth from num(processors) to const
> ------------------------------------------------------------------------
>
>                 Key: HADOOP-17596
>                 URL: https://issues.apache.org/jira/browse/HADOOP-17596
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/azure
>    Affects Versions: 3.3.1
>            Reporter: Sumangala Patki
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> The default value of readahead queue depth is currently set to the number of 
> available processors. However, this can result in one inputstream instance 
> consuming more processor time. To ensure equal thread allocation during read 
> for all inputstreams created in a session, we change the default readahead 
> queue depth to a constant (2).



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