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https://issues.apache.org/jira/browse/HADOOP-17596?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Surendra Singh Lilhore updated HADOOP-17596:
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Fix Version/s: 3.4.0
> 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
> Assignee: Sumangala Patki
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.4.0
>
> Time Spent: 3.5h
> 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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