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https://issues.apache.org/jira/browse/HADOOP-18959?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Shilun Fan resolved HADOOP-18959.
---------------------------------
    Fix Version/s: 3.4.0
     Hadoop Flags: Reviewed
       Resolution: Fixed

> Use builder for prefetch CachingBlockManager
> --------------------------------------------
>
>                 Key: HADOOP-18959
>                 URL: https://issues.apache.org/jira/browse/HADOOP-18959
>             Project: Hadoop Common
>          Issue Type: Sub-task
>            Reporter: Viraj Jasani
>            Assignee: Viraj Jasani
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 3.4.0
>
>
> Some of the recent changes (HADOOP-18399, HADOOP-18291, HADOOP-18829 etc) 
> have added more params for prefetch CachingBlockManager c'tor to process 
> read/write block requests. They have added too many params and more are 
> likely to be introduced later. We should use builder pattern to pass params.
> This would also help consolidating required prefetch params into one single 
> place within S3ACachingInputStream, from scattered locations.



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