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https://issues.apache.org/jira/browse/HADOOP-19613?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated HADOOP-19613:
------------------------------------
    Labels: pull-request-available  (was: )

> ABFS: [ReadAheadV2] Refactor ReadBufferManager to isolate new code with the 
> current working code
> ------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-19613
>                 URL: https://issues.apache.org/jira/browse/HADOOP-19613
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/azure
>    Affects Versions: 3.5.0, 3.4.1
>            Reporter: Anuj Modi
>            Assignee: Anuj Modi
>            Priority: Major
>              Labels: pull-request-available
>
> Read Buffer Manager used today was introduced way back and has been stable 
> for quite a while.
> Read Buffer Manager to be introduced as part of 
> https://issues.apache.org/jira/browse/HADOOP-19596 will introduce many 
> changes incrementally over time. While the development goes on and we are 
> able to fully stabilise the optimized version we need the current flow to be 
> functional and undisturbed. 
> This work item is to isolate that from new code by refactoring 
> ReadBufferManager class to have 2 different implementations with same public 
> interfaces: ReadBufferManagerV1 and ReadBufferManagerV2.
> This will also introduce new configs that can be used to toggle between new 
> and old code. 



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