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https://issues.apache.org/jira/browse/HADOOP-18791?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Steve Loughran updated HADOOP-18791:
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Summary: S3A prefetching: switch to prefetching for chosen read policies
(was: add option to switch to prefetching for given s3a stream read formats)
> S3A prefetching: switch to prefetching for chosen read policies
> ---------------------------------------------------------------
>
> Key: HADOOP-18791
> URL: https://issues.apache.org/jira/browse/HADOOP-18791
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Affects Versions: 3.3.6
> Reporter: Steve Loughran
> Priority: Major
>
> before switching to prefetching input stream everywhere, add an option to
> list which of the fs.option.openfile.read.policy policies to switch too, e.g
>
> fs.s3a.inputstream.prefetch.policies=whole-file, sequential, adaptive
> this would leave random and vectored on s3a input stream.
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